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

Soviet Union - Stamps and Postal History

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Start price: $150

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Description

1925, Academy of Sciences, 3k orange brown and 15k olive brown, complete set of two, trial printing on thick paper without watermark, full OG, LH, VF, tiny dealer’s hs on reverse, Est. $300-$350 , Scott #326-27