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Retarded Children Can Be Helped Series of 1974 First Day Cover

Retarded Children Can Be Helped Series of 1974

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The Legend of Sleepy Hollow Block of Stamps First Day Cover

The Legend of Sleepy Hollow Block of Stamps

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Energy Conservation - It is estimated that only a 40 year reserve of oil remains in the earth Block of Stamps First Day Cover

Energy Conservation - It is estimated that only...

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Centennial - Introduction of Kansas Hard Winter Wheat Into the United States - Life in Rural America Block of Stamps First Day Cover

Centennial - Introduction of Kansas Hard Winter...

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Centennial Introduction of Kansas Hard Winter Wheat into the United States First Day Cover

Centennial Introduction of Kansas Hard Winter W...

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200th Anniversary First Continental Congress 1774-1974 First Day Cover

200th Anniversary First Continental Congress 17...

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200th Anniversary of Fort Harrod Block of Stamps First Day Cover

200th Anniversary of Fort Harrod Block of Stamps

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100th Running Kentucky Derby First Day Cover

100th Running Kentucky Derby

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Preserve the Environment - Expo 74 World's Fair Block of Stamps First Day Cover

Preserve the Environment - Expo 74 World's Fair...

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Preserve the Environment - Expo 74 World's Fair First Day Cover

Preserve the Environment - Expo 74 World's Fair

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Veterans of Foreign Wars Block of Stamps First Day Cover

Veterans of Foreign Wars Block of Stamps

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Honoring Elizabeth Blackwell Block of Stamps First Day Cover

Honoring Elizabeth Blackwell Block of Stamps

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Eighteen Cent Airmail Postage Stamp Series of 1974 Block of Stamps First Day Cover

Eighteen Cent Airmail Postage Stamp Series of 1...

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Saluting the U. S. Postal Service Zip Code System 1974 - National Zip Code Areas, Mr. Zip Block of Stamps First Day Cover

Saluting the U. S. Postal Service Zip Code Syst...

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Season's Greetings Christmas 1963 First Day Cover

Season's Greetings Christmas 1963

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In Memoriam Eleanor Roosevelt 1884-1962 First Day Cover

In Memoriam Eleanor Roosevelt 1884-1962

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Centennial Observance of the Emancipation Proclamation Block of Stamps First Day Cover

Centennial Observance of the Emancipation Procl...

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Honoring Amelia Earhart Block of Stamps First Day Cover

Honoring Amelia Earhart Block of Stamps

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Honoring Amelia Earhart First Day Cover

Honoring Amelia Earhart

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Battle of Gettysburg 1863-1963 Block of Stamps First Day Cover

Battle of Gettysburg 1863-1963 Block of Stamps

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100th Anniversary West Virginia Statehood Block of Stamps First Day Cover

100th Anniversary West Virginia Statehood Block...

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Honoring Montgomery Blair Block of Stamps First Day Cover

Honoring Montgomery Blair Block of Stamps

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300th Aniversary Carolina Charter First Day Cover

300th Aniversary Carolina Charter

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Honoring Winslow Homer, 1836-1910 Block of Stamps First Day Cover

Honoring Winslow Homer, 1836-1910 Block of Stamps

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8¢ Air Mail Postage Stamp Block of Stamps First Day Cover

8¢ Air Mail Postage Stamp Block of Stamps

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8c Air Mail Postage Stamp, United States Capitol Building First Day Cover

8c Air Mail Postage Stamp, United States Capito...

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Sir George Cayley, Father of Aerial Navigation First Day Cover

Sir George Cayley, Father of Aerial Navigation

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Season's Greetings - Christmas 1962 Block of Stamps First Day Cover

Season's Greetings - Christmas 1962 Block of St...

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James O'Brien McMahon 1903-1952 U. S. Senator from Connecticut Block of Stamps First Day Cover

James O'Brien McMahon 1903-1952 U. S. Senator f...

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50th Anniversary Girl Scouts of the United States of America 1912-1962 Block of Stamps First Day Cover

50th Anniversary Girl Scouts of the United Stat...

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100th Anniversary of the Homestead Act, 1862-1962 Block of Stamps First Day Cover

100th Anniversary of the Homestead Act, 1862-19...

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100th Anniversary of the Homestead Act 1962-1962 First Day Cover

100th Anniversary of the Homestead Act 1962-1962

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150th Anniversary Louisiana Block of Stamps First Day Cover

150th Anniversary Louisiana Block of Stamps

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Shiloh Civil War, 1862-1962 First Day Cover

Shiloh Civil War, 1862-1962

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United States Malaria Eradication Postage Stamp Block of Stamps First Day Cover

United States Malaria Eradication Postage Stamp...

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Project Mercury Block of Stamps First Day Cover

Project Mercury Block of Stamps

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Project Mercury First Day Cover

Project Mercury

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50th Anniversary Arizona Statehood 1912-1962 Block of Stamps First Day Cover

50th Anniversary Arizona Statehood 1912-1962 Bl...

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50th Anniversary of New Mexico Statehood 1912-1962 Block of Stamps First Day Cover

50th Anniversary of New Mexico Statehood 1912-1...

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100th Anniversary Nursing Profession 1861-1961 Block of Stamps First Day Cover

100th Anniversary Nursing Profession 1861-1961 ...

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1961 John J. Pershing 8c Stamp Block First Day Cover NY First Day Cover

1961 John J. Pershing 8c Stamp Block First Day ...

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Honoring Basketball and Its Inventor Dr. James Naismith First Day Cover

Honoring Basketball and Its Inventor Dr. James ...

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13c Airmail Stamp Series of 1961 Block of Stamps First Day Cover

13c Airmail Stamp Series of 1961 Block of Stamps

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13¢ Airmail Stamp Series of 1961 - Let Freedom Ring First Day Cover

13¢ Airmail Stamp Series of 1961 - Let Freedom ...

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Civil War Centennial 1861-1961 Block of Stamps First Day Cover

Civil War Centennial 1861-1961 Block of Stamps

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Civil War Centennial 1861-1961 First Day Cover

Civil War Centennial 1861-1961

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Range Conservation, 1961 Block of Stamps First Day Cover

Range Conservation, 1961 Block of Stamps

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Honoring Mahatma Gandhi Block of Stamps First Day Cover

Honoring Mahatma Gandhi Block of Stamps

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Honoring Mahatma Gandhi Block of Stamps First Day Cover

Honoring Mahatma Gandhi Block of Stamps

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American Credo Series Block of Stamps First Day Cover

American Credo Series Block of Stamps

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Commemorating the World's First Communications Satellite Echo 1 Block of Stamps First Day Cover

Commemorating the World's First Communications ...

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NASA Commemorating the World's First Communications, Satellite Echo 1 First Day Cover

NASA Commemorating the World's First Communicat...

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Commemorating the 125th Anniversary of the Birth of Andrew Carnegie - Philanthropist - Industrialist First Day Cover

Commemorating the 125th Anniversary of the Birt...

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Honoring Giuseppe Garibaldi Champion of Liberty 1807-1882 Block of Stamps First Day Cover

Honoring Giuseppe Garibaldi Champion of Liberty...

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Honoring Giuseppe Garibaldi, Champion of Freedom 1807-1882 First Day Cover

Honoring Giuseppe Garibaldi, Champion of Freedo...

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Golden Jubilee Camp Fire Girls 1910-1960 Block of Stamps First Day Cover

Golden Jubilee Camp Fire Girls 1910-1960 Block ...

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Centennial of the Boy's Clubs of America Movement 1860-1960 First Day Cover

Centennial of the Boy's Clubs of America Moveme...

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American Credo Series - Francis Scott Key Block of Stamps First Day Cover

American Credo Series - Francis Scott Key Block...

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100th Anniversary of the Pony Express 1860-1960 Block of Stamps First Day Cover

100th Anniversary of the Pony Express 1860-1960...

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100th Anniversary of the Pony Express, 1860-1960 First Day Cover

100th Anniversary of the Pony Express, 1860-1960

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Honoring the 50 Star American Flag, Independence Day July 4, 1960 Block of Stamps First Day Cover

Honoring the 50 Star American Flag, Independenc...

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10¢ Air Mail Stamp Series of 1960 - Let Freedom Ring First Day Cover

10¢ Air Mail Stamp Series of 1960 - Let Freedom...

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American Credo Series - Thomas Jefferson - Monticello, Home of Thomas Jefferson Block of Stamps First Day Cover

American Credo Series - Thomas Jefferson - Mont...

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Water Conservation - 7th National Watershed Congress Washington D.C. 1960 Block of Stamps First Day Cover

Water Conservation - 7th National Watershed Con...

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World Refugee Year 1959-1960 Block of Stamps First Day Cover

World Refugee Year 1959-1960 Block of Stamps

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United States Committee for Refugees - World Refugee Year 1959-1960 First Day Cover

United States Committee for Refugees - World Re...

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50th Anniversary Boy Scouts of America Block of Stamps First Day Cover

50th Anniversary Boy Scouts of America Block of...

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50th Anniversary of Boy Scouts of America First Day Cover

50th Anniversary of Boy Scouts of America

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Dental Health Centenary of the American Dental Association 1859-1959 Block of Stamps First Day Cover

Dental Health Centenary of the American Dental ...

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Oil's First Century 1859-1959 First Day Cover

Oil's First Century 1859-1959

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Honoring the Soil Conservation Movement in America Block of Stamps First Day Cover

Honoring the Soil Conservation Movement in Amer...

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Commemorating the Admission of Hawaii to Statehood 1959 Block of Stamps First Day Cover

Commemorating the Admission of Hawaii to Stateh...

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100th Anniversary of the Discovery of Silver - Comstock Lode Nevada Block of Stamps First Day Cover

100th Anniversary of the Discovery of Silver - ...

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Honoring Benjamin Harrison, 23rd President of the United States Block of Stamps First Day Cover

Honoring Benjamin Harrison, 23rd President of t...

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Honoring Benjamin Harrison, 23rd President of the United States First Day Cover

Honoring Benjamin Harrison, 23rd President of t...

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NATO - 10th Anniversary of the Signing of the North Atlantic Treaty First Day Cover

NATO - 10th Anniversary of the Signing of the N...

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100th Anniversary of Oregon Statehood 1859-1959 Block of Stamps First Day Cover

100th Anniversary of Oregon Statehood 1859-1959...

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Abraham Lincoln Sesquicentennial Series 1809-1959 Block of Stamps First Day Cover

Abraham Lincoln Sesquicentennial Series 1809-19...

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Commemorating the Admission of Alaska to Statehood Block of Stamps First Day Cover

Commemorating the Admission of Alaska to Stateh...

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Commemorating the Admission of Alaska to Statehood First Day Cover

Commemorating the Admission of Alaska to Statehood

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Forest Conservation 1958 Block of Stamps First Day Cover

Forest Conservation 1958 Block of Stamps

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Forest Conservation 1958 First Day Cover

Forest Conservation 1958

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United Nations, 4¢ Regular Postage 1958 Block of Stamps First Day Cover

United Nations, 4¢ Regular Postage 1958 Block o...

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100th Anniversary of the Overland Mail Block of Stamps First Day Cover

100th Anniversary of the Overland Mail Block of...

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Honoring Journalism and Freedom of the Press Block of Stamps First Day Cover

Honoring Journalism and Freedom of the Press Bl...

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Honoring Journalism and Freedom of the Press First Day Cover

Honoring Journalism and Freedom of the Press

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Champion of Liberty Lajos Kossuth Hungarian Statesman 1802-1894 Block of Stamps First Day Cover

Champion of Liberty Lajos Kossuth Hungarian Sta...

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Idaho First Day Cover

Idaho

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7c Air Mail Stamped Envelope, 1958 First Day Cover

7c Air Mail Stamped Envelope, 1958

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7¢ Air Mail Stamp 1958 Block of Stamps First Day Cover

7¢ Air Mail Stamp 1958 Block of Stamps

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Post Card Stamp 1958 Block of Stamps First Day Cover

Post Card Stamp 1958 Block of Stamps

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Commemorating the Opening of the Mackinac Straits Bridge, 1958, St. Ignace, Mich. First Day Cover

Commemorating the Opening of the Mackinac Strai...

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Commemorating the opening of the Mackinac Straits Bridge First Day Cover

Commemorating the opening of the Mackinac Strai...

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Mackinac Straits Bridge Block of Stamps First Day Cover

Mackinac Straits Bridge Block of Stamps

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100th Anniversary Minnesota Statehood Block of Stamps First Day Cover

100th Anniversary Minnesota Statehood Block of ...

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200th Anniversary James Monroe 1758-1958 Block of Stamps First Day Cover

200th Anniversary James Monroe 1758-1958 Block ...

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Commemorating the Flushing Remonstrance and Religious Freedom in America 1657-1957 Block of Stamps First Day Cover

Commemorating the Flushing Remonstrance and Rel...

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Commemorating the Flushing Remonstrance and Religious Freedom in America 1657-1957 First Day Cover

Commemorating the Flushing Remonstrance and Rel...

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Honoring Ramon Magsaysay Block of Stamps First Day Cover

Honoring Ramon Magsaysay Block of Stamps

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50th Anniversary of U.S. Air Force Block of Stamps First Day Cover

50th Anniversary of U.S. Air Force Block of Stamps

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50th Anniversary of U.S. Air Force First Day Cover

50th Anniversary of U.S. Air Force

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50th Anniversary of Oklahoma Statehood 1907-1957 Block of Stamps First Day Cover

50th Anniversary of Oklahoma Statehood 1907-195...

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50th Anniversary of Oklahoma Statehood 1907-1957 First Day Cover

50th Anniversary of Oklahoma Statehood 1907-1957

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1607-1957 Jamestown Festival - International Naval Review Block of Stamps First Day Cover

1607-1957 Jamestown Festival - International Na...

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Alexander Hamilton Block of Stamps First Day Cover

Alexander Hamilton Block of Stamps

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Wildlife Conservation Series 1956 Block of Stamps First Day Cover

Wildlife Conservation Series 1956 Block of Stamps

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Devil's Tower National Monument 1906-1956 Block of Stamps First Day Cover

Devil's Tower National Monument 1906-1956 Block...

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200th Anniversary Nassau Hall Block of Stamps First Day Cover

200th Anniversary Nassau Hall Block of Stamps

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James Buchanan Block of Stamps First Day Cover

James Buchanan Block of Stamps

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50th Anniversary Pure Food and Drugs Act 1906-1956 Block of Stamps First Day Cover

50th Anniversary Pure Food and Drugs Act 1906-1...

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Wildlife Conservation Series 1956 Block of Stamps First Day Cover

Wildlife Conservation Series 1956 Block of Stamps

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5th International Philatelic Exhibition 1956 Block of Stamps First Day Cover

5th International Philatelic Exhibition 1956 Bl...

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Official FIPEX Cover 5th International Philatelic Exhibition 1956 Block of Stamps First Day Cover

Official FIPEX Cover 5th International Philatel...

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100th Anniversary Booker T. Washington 1856-1956 Block of Stamps First Day Cover

100th Anniversary Booker T. Washington 1856-195...

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100th Anniversary Booker T. Washington 1856-1956 First Day Cover

100th Anniversary Booker T. Washington 1856-1956

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1956 Benjamin Franklin FDC Philadelphia 250th Anniv First Day Cover

1956 Benjamin Franklin FDC Philadelphia 250th A...

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6c Regular Postage Series of 1954-56 Block of Stamps First Day Cover

6c Regular Postage Series of 1954-56 Block of S...

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½¢ Regular Postage Series of 1954-56 Block of Stamps First Day Cover

½¢ Regular Postage Series of 1954-56 Block of S...

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John Marshall 1755-1835 40¢ Regular Postage Series of 1954-56 First Day Cover

John Marshall 1755-1835 40¢ Regular Postage Ser...

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Susan B. Anthony, 1820-1806 First Day Cover

Susan B. Anthony, 1820-1806

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Atoms for Peace Block of Stamps First Day Cover

Atoms for Peace Block of Stamps

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Centennial Soo Locks - Celebrating 100 Years of Great Lakes Transportation 1855-1955 First Day Cover

Centennial Soo Locks - Celebrating 100 Years of...

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Certified Mail Stamp 15¢ First Day Cover

Certified Mail Stamp 15¢

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100th Anniversary First Land Grant Colleges Block of Stamps First Day Cover

100th Anniversary First Land Grant Colleges Blo...

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Thomas Jefferson Block of Stamps First Day Cover

Thomas Jefferson Block of Stamps

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150th Anniversary Lewis and Clark Expedition 1804-5-6 Block of Stamps First Day Cover

150th Anniversary Lewis and Clark Expedition 18...

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Honoring George Eastman Block of Stamps First Day Cover

Honoring George Eastman Block of Stamps

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Honoring George Eastman First Day Cover

Honoring George Eastman

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100th Anniversary Kansas Territory Block of Stamps First Day Cover

100th Anniversary Kansas Territory Block of Stamps

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Nebraska Territory Block of Stamps First Day Cover

Nebraska Territory Block of Stamps

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100th Anniversary Nebraska Territory First Day Cover

100th Anniversary Nebraska Territory

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Statue of Liberty Block of Stamps First Day Cover

Statue of Liberty Block of Stamps

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100th Anniversary of the Gadsden Purchase Block of Stamps First Day Cover

100th Anniversary of the Gadsden Purchase Block...

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100th Anniversary of the Gadsden Purchase 1853-1953 First Day Cover

100th Anniversary of the Gadsden Purchase 1853-...

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300th Anniversary of New York City 1653-1953 Block of Stamps First Day Cover

300th Anniversary of New York City 1653-1953 Bl...

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Honoring General George S. Patton, Jr. 1885-1945 First Day Cover

Honoring General George S. Patton, Jr. 1885-1945

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Honoring General George S. Patton, Jr. First Day Cover

Honoring General George S. Patton, Jr.

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50th Anniversary of the Trucking Industry Block of Stamps First Day Cover

50th Anniversary of the Trucking Industry Block...

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25th Anniversary Future Farmers of America, 1928-1953 Block of Stamps First Day Cover

25th Anniversary Future Farmers of America, 192...

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Sagamore Hill, Home of Theodore Roosevelt Block of Stamps First Day Cover

Sagamore Hill, Home of Theodore Roosevelt Block...

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75th Anniversary American Bar Association 1878-1953 Block of Stamps First Day Cover

75th Anniversary American Bar Association 1878-...

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100th Anniversary, Commodore Perry's negotiations with Japan, opening its doors to foreign trade Block of Stamps First Day Cover

100th Anniversary, Commodore Perry's negotiatio...

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Golden Anniversary of Aviation First Day Cover

Golden Anniversary of Aviation

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Louisiana Purchase Sesquicentennial 1803-1853 Block of Stamps First Day Cover

Louisiana Purchase Sesquicentennial 1803-1853 B...

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Louisiana Purchase Sesquicentennial 1803-1953 First Day Cover

Louisiana Purchase Sesquicentennial 1803-1953

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150th Anniversary Ohio Statehood 1803-1953 Block of Stamps First Day Cover

150th Anniversary Ohio Statehood 1803-1953 Bloc...

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500th Anniversary of the first book printed from moveable type - The Bible, done by Johann Gutenberg Block of Stamps First Day Cover

500th Anniversary of the first book printed fro...

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Honoring the Women in our Armed Services Block of Stamps First Day Cover

Honoring the Women in our Armed Services Block ...

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A Century of Engineered Progress 1852-1952 Block of Stamps First Day Cover

A Century of Engineered Progress 1852-1952 Bloc...

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Marquis de Lafayette First Day Cover

Marquis de Lafayette

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125th Anniversary of the Baltimore and Ohio Railroad Company First Day Cover

125th Anniversary of the Baltimore and Ohio Rai...

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125th Anniversary of the Baltimore and Ohio Railroad Co First Day Cover

125th Anniversary of the Baltimore and Ohio Rai...

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50th Anniversary of 4H Clubs - Head, Heart, Hand, Health Block of Stamps First Day Cover

50th Anniversary of 4H Clubs - Head, Heart, Han...

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200th Anniversary of the Birth of Betsy Ross Block of Stamps First Day Cover

200th Anniversary of the Birth of Betsy Ross Bl...

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200th Anniversary of the Birth of Betsy Ross First Day Cover

200th Anniversary of the Birth of Betsy Ross

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75th Anniversary of the Statehood of Colorado 1876-1951 Block of Stamps First Day Cover

75th Anniversary of the Statehood of Colorado 1...

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Settlement of Nevada 100th Anniversary Block of Stamps First Day Cover

Settlement of Nevada 100th Anniversary Block of...

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United Confederate Veterans Final Reunion Block of Stamps First Day Cover

United Confederate Veterans Final Reunion Block...

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100th Anniversary Settlement of Nevada First Day Cover

100th Anniversary Settlement of Nevada

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150th Anniversary of Indiana Territory Block of Stamps First Day Cover

150th Anniversary of Indiana Territory Block of...

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Honoring Boy Scouts of America Block of Stamps First Day Cover

Honoring Boy Scouts of America Block of Stamps

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Honoring Boy Scouts of America First Day Cover

Honoring Boy Scouts of America

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Honoring the Railroad Engineers of America First Day Cover

Honoring the Railroad Engineers of America

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100th Anniversary Samuel Gompers - American Labor Leader Block of Stamps First Day Cover

100th Anniversary Samuel Gompers - American Lab...

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Commemorating the Return of the Wright Brothers' Airplane From England to the United States First Day Cover

Commemorating the Return of the Wright Brothers...

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6-cent Air Mail Booklet Pane - Official Cachet Block of Stamps First Day Cover

6-cent Air Mail Booklet Pane - Official Cachet ...

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75th Anniversary Universal Postal Union Block of Stamps First Day Cover

75th Anniversary Universal Postal Union Block o...

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Commemorating the 100th Anniversary of the Death of Edgar Allen Poe, 1849-1949 Block of Stamps First Day Cover

Commemorating the 100th Anniversary of the Deat...

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Commemorating the 100th Anniversary of the Death of Edgar Allen Poe, 1849-1949 First Day Cover

Commemorating the 100th Anniversary of the Deat...

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Two Hundredth Anniversary, Alexandria, Virginia Block of Stamps First Day Cover

Two Hundredth Anniversary, Alexandria, Virginia...

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Puerto Rico Commemorating The Election of the First Governor Block of Stamps First Day Cover

Puerto Rico Commemorating The Election of the F...

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Puerto Rico First Day Cover

Puerto Rico

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200th Anniversary of Washington and Lee University Block of Stamps First Day Cover

200th Anniversary of Washington and Lee Univers...

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1949 Six Cent Air Mail Stamp Block of Stamps First Day Cover

1949 Six Cent Air Mail Stamp Block of Stamps

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1949 Six Cent Air Mail Stamp First Day Cover

1949 Six Cent Air Mail Stamp

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JOel Chandler Harris First Day Cover

JOel Chandler Harris

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Joel Chandler Harris 1848-1948 First Day Cover

Joel Chandler Harris 1848-1948

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85th Anniversary of Lincoln's Gettysburg Address Block of Stamps First Day Cover

85th Anniversary of Lincoln's Gettysburg Addres...

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85th Anniversary of Lincoln's Gettysburg Address First Day Cover

85th Anniversary of Lincoln's Gettysburg Address

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Moina Michael "The Poppy Lady" Originator of the Flanders Field Memorial Poppy Block of Stamps First Day Cover

Moina Michael "The Poppy Lady" Originator of th...

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Moina Michael The Poppy Lady First Day Cover

Moina Michael The Poppy Lady

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Juliette Low Block of Stamps First Day Cover

Juliette Low Block of Stamps

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Juliette Low - Founder and Organizer of Girls Scouts in America First Day Cover

Juliette Low - Founder and Organizer of Girls S...

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50th Anniversary of the Organization of the Rough Riders Block of Stamps First Day Cover

50th Anniversary of the Organization of the Rou...

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Honoring the Volunteer Firemen of America 300th Anniversary Block of Stamps First Day Cover

Honoring the Volunteer Firemen of America 300th...

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100th Anniversary Founding of Fort Kearny, Nebraska First Day Cover

100th Anniversary Founding of Fort Kearny, Nebr...

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Honoring the Gold Star Mothers of America First Day Cover

Honoring the Gold Star Mothers of America

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Palomar Mountain Observatory Block of Stamps First Day Cover

Palomar Mountain Observatory Block of Stamps

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Palomar Mountain Observatory First Day Cover

Palomar Mountain Observatory

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New York World's Fair 1964-1965 First Day Cover

New York World's Fair 1964-1965

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New York World's Fair First Day Cover

New York World's Fair

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Official World's Fair Block of Stamps First Day Cover

Official World's Fair Block of Stamps

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