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:

1934, Dmitry Mendeleyev, Famous Chemist, 5k-20k, complete set of four, full OG, LH, mostly VF, C.v. $284, Scott #536-39