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Type: First Day Cover
Orientation: Landscape
100th Anniversary Booker T. Washington 1856-195...
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Official FIPEX Cover 5th International Philatel...
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5th International Philatelic Exhibition 1956 Bl...
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Wildlife Conservation Series 1956 Block of Stamps
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50th Anniversary Pure Food and Drugs Act 1906-1...
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James Buchanan Block of Stamps
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200th Anniversary Nassau Hall Block of Stamps
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Wildlife Conservation Series 1956 Block of Stamps
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Alexander Hamilton Block of Stamps
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1607-1957 Jamestown Festival - International Na...
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50th Anniversary of Oklahoma Statehood 1907-1957
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50th Anniversary of Oklahoma Statehood 1907-195...
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50th Anniversary of U.S. Air Force
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50th Anniversary of U.S. Air Force Block of Stamps
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Honoring Ramon Magsaysay Block of Stamps
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Commemorating the Flushing Remonstrance and Rel...
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Commemorating the Flushing Remonstrance and Rel...
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200th Anniversary James Monroe 1758-1958 Block ...
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100th Anniversary Minnesota Statehood Block of ...
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Mackinac Straits Bridge Block of Stamps
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Commemorating the opening of the Mackinac Strai...
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Commemorating the Opening of the Mackinac Strai...
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Post Card Stamp 1958 Block of Stamps
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7¢ Air Mail Stamp 1958 Block of Stamps
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7c Air Mail Stamped Envelope, 1958
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Champion of Liberty Lajos Kossuth Hungarian Sta...
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Honoring Journalism and Freedom of the Press
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Honoring Journalism and Freedom of the Press Bl...
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100th Anniversary of the Overland Mail Block of...
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United Nations, 4¢ Regular Postage 1958 Block o...
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Forest Conservation 1958
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Forest Conservation 1958 Block of Stamps
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Commemorating the Admission of Alaska to Statehood
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Commemorating the Admission of Alaska to Stateh...
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Abraham Lincoln Sesquicentennial Series 1809-19...
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100th Anniversary of Oregon Statehood 1859-1959...
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50 Years of Arctic Explorations 1909-1959 - Rob...
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Honoring Benjamin Harrison, 23rd President of t...
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Honoring Benjamin Harrison, 23rd President of t...
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100th Anniversary of the Discovery of Silver - ...
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Commemorating the Admission of Hawaii to Stateh...
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Honoring the Soil Conservation Movement in Amer...
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Oil's First Century 1859-1959
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Dental Health Centenary of the American Dental ...
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50th Anniversary of Boy Scouts of America
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50th Anniversary Boy Scouts of America Block of...
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United States Committee for Refugees - World Re...
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World Refugee Year 1959-1960 Block of Stamps
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Water Conservation - 7th National Watershed Con...
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American Credo Series - Thomas Jefferson - Mont...
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10¢ Air Mail Stamp Series of 1960 - Let Freedom...
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100th Anniversary of the Pony Express, 1860-1960
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100th Anniversary of the Pony Express 1860-1960...
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American Credo Series - Francis Scott Key Block...
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Centennial of the Boy's Clubs of America Moveme...
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Golden Jubilee Camp Fire Girls 1910-1960 Block ...
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Honoring Giuseppe Garibaldi, Champion of Freedo...
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Honoring Giuseppe Garibaldi Champion of Liberty...
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Commemorating the 125th Anniversary of the Birt...
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NASA Commemorating the World's First Communicat...
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Commemorating the World's First Communications ...
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American Credo Series Block of Stamps
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Honoring Mahatma Gandhi Block of Stamps
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Honoring Mahatma Gandhi Block of Stamps
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Range Conservation, 1961 Block of Stamps
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Civil War Centennial 1861-1961
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Civil War Centennial 1861-1961 Block of Stamps
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13¢ Airmail Stamp Series of 1961 - Let Freedom ...
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13c Airmail Stamp Series of 1961 Block of Stamps
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100th Anniversary Nursing Profession 1861-1961 ...
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50th Anniversary of New Mexico Statehood 1912-1...
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50th Anniversary Arizona Statehood 1912-1962 Bl...
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Project Mercury
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Project Mercury Block of Stamps
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United States Malaria Eradication Postage Stamp...
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Shiloh Civil War, 1862-1962
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150th Anniversary Louisiana Block of Stamps
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100th Anniversary of the Homestead Act 1962-1962
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100th Anniversary of the Homestead Act, 1862-19...
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50th Anniversary Girl Scouts of the United Stat...
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James O'Brien McMahon 1903-1952 U. S. Senator f...
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Season's Greetings - Christmas 1962 Block of St...
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Sir George Cayley, Father of Aerial Navigation
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8c Air Mail Postage Stamp, United States Capito...
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8¢ Air Mail Postage Stamp Block of Stamps
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Honoring Winslow Homer, 1836-1910 Block of Stamps
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300th Aniversary Carolina Charter
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Honoring Montgomery Blair Block of Stamps
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100th Anniversary West Virginia Statehood Block...
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Battle of Gettysburg 1863-1963 Block of Stamps
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Honoring Amelia Earhart
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Honoring Amelia Earhart Block of Stamps
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Centennial Observance of the Emancipation Procl...
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In Memoriam Eleanor Roosevelt 1884-1962
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Season's Greetings Christmas 1963
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Saluting the U. S. Postal Service Zip Code Syst...
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Eighteen Cent Airmail Postage Stamp Series of 1...
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Honoring Elizabeth Blackwell Block of Stamps
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Veterans of Foreign Wars Block of Stamps
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Preserve the Environment - Expo 74 World's Fair
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Preserve the Environment - Expo 74 World's Fair...
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100th Running Kentucky Derby
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200th Anniversary of Fort Harrod Block of Stamps
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200th Anniversary First Continental Congress 17...
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Centennial Introduction of Kansas Hard Winter W...
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Centennial - Introduction of Kansas Hard Winter...
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Energy Conservation - It is estimated that only...
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The Legend of Sleepy Hollow Block of Stamps
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Retarded Children Can Be Helped Series of 1974
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Retarded Children Can Be Helped Series of 1974 ...
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Christmas 1974
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Peace on Earth Christmas1974 Block of Stamps
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Pioneer Jupiter - Marking United States Unmanne...
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Honoring Peter Francisco Fighter Extraordinary
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Honoring Peter Francisco: Fighter Extraordinary...
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Honoring Sybil Ludington - Youthful Heroine of ...
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Honoring Sybil Ludington Block of Stamps
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Honoring Haym Salomon - Financial Hero - Americ...
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Mariner 10 Venus / Mercury Saluting United Stat...
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The Battles of Lexington & Concord Bicentennial...
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The Battles of Lexington and Concord Bicentenni...
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Apollo Soyuz Space Mission Block of Stamps
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Apollo-Soyuz Space Mission - Joint U.S.-Soviet ...
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U.S. Postal Service Bicentennial-1775-1975 Bloc...
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Liberty Bell Americana Series Block of Stamps
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Banking & Commerce, American Bankers Associatio...
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State Flags of the United States - 1976 America...
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State Flags of the United States 1976 - America...
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Right of the People Peaceably to Assemble - 9¢ ...
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Commercial Aviation 1926-1976 Block of Stamps
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A Century of Modern Chemistry - Series of 1976 ...
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Benjamin Franklin First Postmaster General
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Honoring Benjamin Franklin - First Postmaster G...
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200th Anniversary - Birth of American Independe...
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200th Year Birth of American Independence 1776-...
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Honoring Clara Maass Heroic Nurse
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Honoring Clara Maass - Heroic Nurse Block of St...
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Season's Greetings Christmas 1976 Block of Stamps
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Battle of Princeton New Jersey January 3, 1777
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Pueblo Indian Pottery - American Indian Art on ...
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Commemorating Colorado Statehood Block of Stamps
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Honoring Herkimer at Oriskany - American Revolu...
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Drafting the Articles of Confederation 1777 Yor...
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50th Anniversary Talking Pictures 1927-1977 Blo...
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Battle of Saratoga - Turning Point of the Ameri...
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Battle of Saratoga Block of Stamps
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Energy Conservation/Development Block of Stamps
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Honoring Harriet Tubman
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Honoring Harriet Tubman 1821-1913 - Black Herit...
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Sandy Hook Lighthouse Block of Stamps
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American Dance
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International Philatelic Exhibition - Toronto, ...
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George M. Cohan 100th Anniversary of His Birth ...
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Commemorating Viking Space Missions - United St...
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Peace Unites a Nation Like Harmony in Music Blo...
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Wright Brothers - Aviation Pioneers - 31¢ Inter...
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American Trees Block of Stamps
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Honoring Robert F. Kennedy 1925-1968 Block of S...
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Honoring Robert F. Kennedy
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Honoring Martin Luther King 1929-1968 - Black H...
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Honoring Martin Luther King 1929-1968 - Black H...
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Honoring John Steinbeck American Novelist Liter...
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Honoring John Steinbeck - American Novelist - L...
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100th Anniversary of His Birth Albert Einstein ...
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Albert Einstein 1879-1955 100th Anniversary of ...
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American Architecture Series 1979
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50th Anniversary The Seeing Eye - Guide Dogs fo...
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Honoring John Paul Jones American Revolution Na...
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Honoring Vietnam Veterans - Service for the Cau...
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Honoring Vietnam Veterans - Service for the Cau...
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Honoring Wiley Post - Aviation Pioneer - 25¢ In...
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W.C. Fields Block of Stamps
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Windmills USA Booklet Pane Stamps 1980 Block of...
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Honoring Benjamin Banneker - Noted Mathematicia...
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National Letter Writing Week Block of Stamps
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50th Anniversary of the Veterans Administration
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Coral Reefs USA Series of 1980 Block of Stamps
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Education in America - Learning Never Ends Bloc...
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Honoring Philip Mazzei 1730-1816 - Italian Patr...
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Honoring Glenn Curtiss Block of Stamps
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Honoring Whitney M. Young Jr., Creative Civil R...
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Freedom of Conscience an American Right - 12¢ D...
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Honoring George Mason 1725-1792
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Honoring George Mason 1725-1792 Block of Stamps
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United Space Space Accomplishments Block of Stamps
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United States Space Accomplishments - Benefitin...
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Rachel L. Carson - Author of Silent Spring
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Rachel L. Carson, Science Writer and Biologist ...
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Honoring Dr. Charles R. Drew
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Honoring Dr. Charles R. Drew 1904-1950
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Protect Wildlife Habitat
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Edna St. Vincent Millay Block of Stamps
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