This lot includes souvenir sheets from the Centenary Philatelic Exhibition held May 17-25, 1947 in New York City and the Fifth International Philatelic Exhibition held there April 28-May 6, 1956. The former celebrates the 100th anniversary of U.S. Postage Stamps with replicas of the first two U.S. postage stamps: the 5 cent Franklin and 10 cent Washington (Scott #948). The latter includes 3 cent and 8 cent Statue of Liberty designs from the 1954 Liberty Series (Scott #1075).  See photos.