Dieter Roth. ideograme for material 2: dieter rot. 1959

Lithograph, offset printed, page: 8 1/4 x 8 1/4" (21 x 21 cm). Publisher: Daniel Spoerri, Darmstadt. Printer: unknown. Edition: 200. The Museum of Modern Art Library, New York. Photograph: Peter Butler. © 2013 Estate of Dieter Roth