Complete set of 5 lithographs, 1967. Each 757x889 mm; 29 3/4x35 inches (sheets), full margins. Each signed and numbered 56/75 in pencil, lower margin. Printed by J. E. Wolfensberger, Zurich. Published by Marlborough Fine Art, London. Pale time stain. Good, clean impressions. Wingler/Welz 374-378.
