Untitled, from:"Oiseaux en peril"
Etching with aquatint in colours and with collage, 1975, on Arches paper (double page with text) signed in pencil and numbered 87/100, published by Georges Visat, Paris. P. 30,5 x 25,5 cm. S. 54,5 x 84 cm.
Time and mat staining.