Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 1

United States - Modern Errors

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Start price: $150

Buyer's premium:

1991, Jan Matzeliger, 29c multi, top left corner sheet margin (ZIP) vertical strip of three imperforated horizontally, full OG, NH, VF, C.v. $550 for vertical pair, Est. $250-$300 , Sc. #2567b