Max Ernst (1891-1976) Mother bird. 1972. Etching and aquatint. The sheet: 507x660 mm. Spies-Leppien 223. Printed in colors. Very fine proof on thin exotic paper with plant inlays applied to white vellum, with small highlights of red pencil and white gouache, numbered and signed in pencil. Full margins. Edition of 100 proofs. G. Visat ed.