Dr. Heymann’s collection was confiscated as 'Degenerate Art' under the authority of the Dienststelle Reichsleiter Rosenberg on 2 February 1942 from the warehouse of Speditur Roth, Reichenbergerstrasse 54, Berlin, where the works were stored. [...]; Acquired by Prof. Melngailis of the Dorotheum on March 1961; Dorotheum, June 7, 1961 (lot 305); Erna Tenner, Heidelberg, Max Pechstein (1881-1955): Aquarelle – Zeichnungen- Graphik (Schweizer Privatsammlung), Ausstellung und Verkauf vom 16 Apri – 30 April 1959 (Nr. 22); Dorotheum, May 26, 1992 (lot 49); January 13, 1993 (lot 32)
