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: $1,500

Buyer's premium:

1931, Airship over the Arctic Region, 50k dark brown, comb perforation 10½x12, right sheet margin single with double impression of the design, nice and post office fresh, full OG, NH, VF and very rare, only a handful exists, this stamp is definitely the best preserved example, Raritan Stamps guarantee, Est. $3,000-$4,000, Scott #C23 var