Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World, Part 2

Soviet Union 1923-40

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Start price: $75

Buyer's premium:

1927, black or red surcharges 8k on 3 definitive stamps of 7k brown and 6 commemorative stamps, all with full OG, NH, VF, C.v. $273.50, Scott #349-5, 349a, 353-58