Color lithograph on white wove paper, 1959-60. 495x365 mm; 19 1/2x14 1/2 inches (sheet), full margins. Signed and numbered 1/50 in pencil, lower margin. Printed by Il Torchio, Milan, with the blind stamp lower right. A very good impression of this scarce, early lithograph. Ruhé/Rigo L-15.
