Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World, Part 3

Soviet Union

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Start price: $100

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1990, New Year 1991, 5k multicolored, top right corner sheet margin block of six triangles, stamp design is completely transformed on the right due to breakdown of printing device, full OG, NH, VF and a spectacular piece, Est. $200-$250, Scott #5953, var