100th International Philatelic Exhibition 1847-1947

CA CENTENARY 1847 1947 Art Craft PHILATELIC EXHIBITION COURTESY AMERICAN CONTINUAL PROGRESS AIRLINES IN THE TRANSPORTATION OF MAIL Official FIRST DAY COVER YORK, 17 10:00 AM 1947 N. Y. STA. EX. PHILATELIC Mü 1847-1947 U.S. POSTAGE STAMP CENTENARY 1847-1947 CO U.S. POSTAGE STAMP CENTENARY ccccc Mo 1847-1947 3G U.S. POSTAGE STAMP CENTENARY 1847-1947 U.S. POSTAGE STAMP CENTENARY