Picture uploaded by P3p3_Pr4ts on Jan 11, 2016.

Copyright: Wikiimedia Commons :Scan from book: Rainer Metzger, Berlin : die Zwanzigerjahre. Kunst und Kultur 1918-1933, Wien 2006, P. 61 This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or less.