Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 3

Soviet Union Stamps of 1941-91

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Start price: $300

Buyer's premium:

1954, Sports issue, Track, 40k multicolored, double impression of black color, bottom right corner sheet margin unfolded block of four, full OG, NH, VF, Est. $500 -$600 , Sc. #1714 var