Why Olympic Stamps from 1984 but postmarks are 1987 on these Cards? Unusual United States German Postcards with Olympic Games Stamps Postcards with US Olympic Games Stamps from Three Years before the Postcards were Postmarked! UNITED STATES GERMANY BERLIN POSTCARDS WITH 1984 OLYMPIC STAMPS Interesting Pair of Postcards from the United States in celebration of the 750th Anniversary of Berlin Germany with both preprinted Stamps and 1984 US Olympic Stamps, but postmarked Berlin, New Hampshire and dated 9 and 10 JUN 1987 https://www.my-little-auctions.com/...DS-WITH-1984-OLYMPIC-STandS&auction_id=292849
