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

Soviet Union

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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, 10mm higher then main inscription) of the text at top and bottom, full OG, NH, VF, Est. $400-$500, Scott #959 var