An Expressionist oil on canvas painting depicting a nude female model by Sergei Osipov, Russian, Soviet, 1915 to 1985. Signed in the Cyrillic lower right. Stretched, no frame. One of a kind artwork. Provenance: Trinity International Auctions, 10.21.2017, Lot 46. Sergei Ivanovich Osipov was a Soviet painter and teacher, a member of the Leningrad organization of the Union of Artists of the RSFSR. The works of Sergei Osipov are in the State Russian Museum, museums and private collections in Russia, Italy, Great Britain, USA, Austria, Finland and other countries. Russian Soviet Post Impressionist Paintings, Fine Art For Collectors.