Etching and aquatint, on Chine collé to Arches paper, with full margins,

1961/70

I. 9 x 6 1/2 in. (22.9 x 16.5 cm);
S. 13 x 10 in (33 x 25.4 cm)

signed and numbered 6/20 in pencil (aside from the edition of 150 on Japanese paper), published by Kornfeld and Klipstein, Bern, generally in very good condition, framed.