Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World, Part 3

Russian Air Post Stamps and Covers

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Start price: $120

Buyer's premium:

1932, International Polar Year, 50k carmine, perforation 12½ and two of 1r green, perforation 10½ and 12½, full OG with minimal waves on 1r (12½), NH, VF, C.v. $390, Scott #C34-35, C35a