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

Worldwide Air Post Stamps and Postal History - Russia And Soviet Union

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Start price: $1,300

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Description

1937, Airplanes, 40k violet brown and black, vertical pair imperforate between stamps, full OG, NH, VF and rare, Soviet Philatelic guarantee on reverse, C.v. $5,000, Est. $2,500-$3,000 , Scott #C72a