George Grosz (1893-1959) Artist and model (recto); Lovers (verso) stamped with the artist's signature (lower right); stamped with the artist's estate stamp and inscribed '1-72-9' (on the reverse) watercolour, black pencil and varnish on paper (recto); pen and India ink on paper (verso) 50 x 39.2cm (19 11/16 x 15 7/16in). Executed in 1941 The authenticity of this work has been confirmed by Ralph Jentsch. This work will be included in the forthcoming George Grosz catalogue raisonné of the works on