Good evening, I want to find the Old pro now and I hope for your pomosch.Kartina got in this form - Circumcision, unsigned, but with paper birkoy.V nete have infa that the painting "The Reed-breaker," 1938. One of a number of important Gaush works.
http://www.art-catalog.ru/artist.php?id_artist=615
Maybe those who have catalogs of exhibitions featuring paintings?