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: $750

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Description

1935, Mikhail Kalinin, 20k brownish black, enlarged margins imperforate single, perfect quality, full OG, NH, VF, C.v. $2,100, Est. $1,500-$1,800 , Scott #576a