Lithograph, on wove paper mounted to wood panel (as issued), the full sheet,

1977

S. 46 1/2 x 35 in. (118.1 x 88.9 cm)

signed, dated `1974' and numbered 86/115 in pencil (there were also 15 artist's proofs), published by Matthieu AG, Dielsdorf/Zurich.