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

Soviet Union

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Start price: $150

Buyer's premium:

1925, definitive issue, Lenin 5r brown red and 10r indigo, imperforate complete set of two in bottom left corner sheet margin blocks of four, full OG, NH, VF, C.v. $300 as hinged singles, Scott #302-03 imp