Zinaida Serebriakova (俄国，1884-1967) – 海伦-贝尔的肖像

Zinaida Serebriakova (Russian,1884-1967) – Portrait of Helen Baer, 1929.
Pastel and chalk over pencil on paper laid on board, 63 x 48 cm (24 3/4 x 18 3/4 in).