George Grosz, German 1893-1959- Weiblicher Ak, 1939; watercolour and pencil on paper, estate stamp lower right; and stamped George Grosz Nachlass and numbered 1-66-4, and inscribed L 3 nr. 689 on the reverse, 42.1 x 35 (ARR) Provenance: Lempertz, Cologne, 5 December 2009, lot 900; Lempertz, Cologne, 1 December 2017 lot 412m where purchased by the present owner. Note: The authenticity of this piece was confirmed by Ralph Jentsch when the item sold at Lempertz in 2009. Accompanied with this lot is a copy of the letter between Jentsch and Lempertz.Please refer to department for condition report