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

Soviet Union

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Start price: $250

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1926, Lenin, 1r dark brown, 2r black violet, 3r dark green, horizontal watermark Borders and Rosettes, complete set of three, perforation 10½, plus two varieties – 2r perf 12½, 3r vertical positions of watermark, full OG, NH or LH (2r perf 12½), VF, ”key” stamps with experts’ signs on reverse, Scott #342-44, 343a, 344 var