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

United States - Air Post stamps

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Start price: $200

Buyer's premium:

1983, Summer Olympics, 40c x4 multi, right sheet margin imperforated se-tenant block of four, full OG, NH, VF, C.v. $650, Est. $300-$400 , Sc. #C108d