Otto Dix (Untermhaus 1891 - Singen 1969) "Drei Akte (Modelle)" 1923 ink on paper 62x49 cm Signed and dated 1923 lower right Provenance Bertonati Collection, 1973-74 and 1977 Private collection, Milan Exhibitions Berlin 1963a ''New Objectivity'' Compagnia del Disegno, Milan, 19 January - 2 April 2005, p. 38, ill. in catalogue Bibliography Barton, VI.C.76.; Karcher 1992, Abb. S. 1; Löffler 1989, Abb. S. 35; Karcher 1988, Abb. S. 1; Löffler 1960, S. 30; This work is registered to the Otto Dix database under EDV no. 8.2.15