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

Soviet Union of 1941-91

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Start price: $1,200

Buyer's premium:

1972, Leonid Sobinov, Russian Opera Singer, 10k deep brown and buff, re-called stamp with error bottom inscription ”National Artist of the USSR”, excellent centering and extremely fresh, full OG, NH, VF and rare, a common stamp with text ”National Artist of the Republic” is added, Est. $2,500-$3,000, Scott #3966 var