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

Soviet Union 1923-91

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Start price: $150

Buyer's premium:

1929, Pioneers’ Assembly, 10k olive brown and 14k gray blue, complete set of two, each stamp with a part of perfin ”Obrazets”, nice and fresh, full OG, LH, VF and rare, only a few complete sets known, ex-Vadim Ustinovsky, Est. $300-$350, Scott #411-12