History of Aviation, Rare Stamps and Postal History of the World, Part 3

Soviet Union

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Start price: $150

Buyer's premium:

1957, North Russian Bone Carver, 40k blue, yellow and brown, perforation L12½ instead of comb 12×12½, CTO with full OG (NH), VF and very scarce, Est. $250-$300 , Sc. #1926 var