Lithograph, 56 x 45,5 cm, lo. ri. autographed a. dat. Dix 66, lo. le. num. 88/300 as well as blind stamp of Erker-Presse St. Gallen, without frame under glass, unopened.. - German painter, draughtsman and graphic artist, important exponent of neo-realism. D. was influenced by expressionism, dadaism and surrealism. Together with ith C. Felixmüller he was co-founder of the 'Gruppe 1919'. D. was abundantly awarded, among others with the Hamburg Lichtwark prize. Mus.: Stuttgart, Chemnitz a. others. Lit.: Vollmer, Löffler: O. D. 1891-1969, Pfäffle: O. D. Cat. rais. Aquarelle und Gouachen, Schmidt: O.D. im Selbstbildnis a. others.