Cross (Suicide Cemetery Grunewald), c. 1957. White and grey gouache, black ink and watercolour on paper, 12.7 x 15.4 in. (32.3 x 39.2 cm). Private collection. Photo Malcolm Varon ©Bianca Stock

Cross (Suicide Cemetery Grunewald), c. 1957. White and grey gouache, black ink and watercolour on paper, 12.7 x 15.4 in. (32.3 x 39.2 cm). Private collection. Photo Malcolm Varon ©Bianca Stock

Cross (Suicide Cemetery Grunewald), c. 1957