Lot   Cat.#
645  486 fn
1932, Moscow Philatelic Exhibition, souvenir sheet of four, printed on thin cardboard, favor Exhibition cancel "-5.12.32" in red at the top right, slightly rounded corners and a hint of foxing as typical for this sheet, VF and very rare, especially in used condition, P. Buchsbayew certificate
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Stamp Auction #79, September 14, 2018. Raritan Stamp, Inc