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

Russia and Soviet Union - Air Post stamps

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Start price: $150

Buyer's premium:

1935, Moscow – San Francisco Flight, red surcharge 1r on 10k dark brown, position 22 of 25-stamp setting, full OG, hinged, VF, light Soviet Philatelic guarantee hs, C.v. $500, Est. $300-$325, Scott #C68