Dieter Roth. cash (exhaust) (bargold [auspuff]) from Containers. 1972, published 1973

Etching with chocolate squashing, 16 5/16 x 9 11/16" (41.4 x 24.6cm. Publisher: the artist, Solothurn, and Petersburg Press, London. Printer: Petersburg Press, London. Edition: 85. The Museum of Modern Art, New York. Purchase. Photograph: John Wronn. © 2013 Estate of Dieter Roth