Two Men Boxing, 1916. White gouache, watercolour, black ink and graphite on paper, 12.2 x 17.1 in. (31 x 43.5 cm). Private collection. Photo Malcolm Varon ©Bianca Stock

Two Men Boxing, 1916. White gouache, watercolour, black ink and graphite on paper, 12.2 x 17.1 in. (31 x 43.5 cm). Private collection. Photo Malcolm Varon ©Bianca Stock

Two Men Boxing, 1916