Valentin Sidorov. All together. Oil. 1970. State Russian Museum Valentin Sidorov. All together. Oil. 1970. State Russian Museum Related Posts:Soviet artist Valentin SidorovSoviet painter Valentin ChekmasovSoviet Self-taught Artists All-Union exhibitionSoviet naive art 1974 All-Union exhibition1950s All-Union exhibitions of Soviet ArtSoviet State Awards