Lithograph in colors, on Rives BFK paper, with full margins.

1966

I. 19 x 24 3/4 in. (48.3 x 62.9 cm)
S. 24 3/4 x 31 1/2 in. (62.9 x 80 cm)

Signed, dated and dedicated 'pour Hermann Strehler' in pencil, presumably an artist's proof (the edition was 200, there were also 14 artist's proofs), published by Kunstverein, St. Gallen, Switzerland (with their blindstamp), unframed.