1960

Lithograph in colors, on Rives BFK paper, the full sheet.

S. 24 3/4 x 35 1/2 in. (62.9 x 90.2 cm)

Signed and numbered 2/20 in pencil (there were also some artist's proofs), published by Kornfeld and Klipstein, Bern, Gemany, unframed.