Two-part screenprint with hinges, to be opened; front print die-cut and mounted on acetate; rear print mounted on cardboard support, 1968. 705x555 mm; 27 3/4x21 inches, full margins. Signed, dated and numbered 86/100 in pencil, lower margin on the mount element. Printed by Hans-Peter Haas, Stuttgart. Published by Verlag Gerd Hatje, Stuttgart. Schellmann 6.