Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World. Part 1

Worldwide Air Post Stamps and Postal History - United States - Air Post stamps

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Start price: $150

Buyer's premium:

1989, 20th UPU Congress, Futuristic Mail Delivery, 45c multicolored, bottom right margin ZIP se-tenant block of four, light blue (engraved) color omitted, full OG, NH, VF, C.v. $500, Scott #C125b