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

Soviet Union

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Start price: $150

Buyer's premium:

1924, definitive issue, peasant 30k violet in horizontal imperforate pair; soldier 40k slate gray, two sheet margin imperforate singles with and without offset on gum side, all are litho printing with invalidating perforation across the design, full OG, NH (one 40k hinged on margin only), VF, Est. $300-$400, Scott #263-64 imp