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

Soviet Union 1941-91

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Start price: $1,000

Buyer's premium:

1958, All-Union Industrial Exhibition, 60k gray violet, red and black, right sheet margin horizontal imperforate pair, enlarged margins at other sides, no gum as produced, NH, VF, Raritan Stamps guarantee, Scott #23 imp