Dieter Roth, Sum poster
Silkscreened poster printed on the occasion of the exhibition Sum 1 1965 at Asmundarsakur and Café Mokka, Reykjavic.
57 x 85 cm. Black on thick beige paper, printed both sides. Folded in 8. Edition unknown. Postage stamps and the address of artist Henk Peeters on recto. Very rare.