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

Soviet Union 1941-91

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Start price: $100

Buyer's premium:

1953, 50th Anniversary of Communist Party, 40k multicolored, clear double impression of maroon color (inscriptions at top and bottom), full OG, NH, VF and scarce, only one sheet of 72 stamps with this error has been discovered, Est. $200-$300, Scott #1678 var