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

Soviet Union

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Start price: $200

Buyer's premium:

1940, All-Union Agriculture Exhibition, 10k-60k, complete set of 17, including vertical and horizontal se-tenant pairs and two se-tenant blocks of four, full OG, NH, VF and a spectacular unit, Scott #794-810