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

Soviet Union

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Start price: $2,500

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1958, All-Union Industrial Exhibition, reduced format perforated (L12½) proof of 60k in brown, gummed, VF and very rare, some Russian catalogs listed the same design proofs affixed over Goznak presentation cards, a common stamp is shown for comparison, but not included, this lot was sold in our Auction #83 (September 2019) for $3,450 including Auction commission, Raritan Stamps guarantee, Est. $3,000-$4,000, Scott #2030