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

Soviet Union of 1923-40

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Start price: $500

Buyer's premium:

1924, Lenin Mourning issue, 3k-20k, imperforate complete set of four with narrow frame, full OG, LH or hinged, VF and scarce, Est. $750-$1,000,Scott #265-68 var