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

Soviet Union of 1941-91

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Start price: $200

Buyer's premium:

1944, Liberation of Leningrad, souvenir sheet of four stamps 30k slate gray, double impression (one albino, 2mm higher then main inscription) of the text at top and bottom, full OG, NH, VF, Raritan Stamps guarantee, Est. $400-$500,Scott #959 var