Aquatint, grattoir and drypoint on vergé de Montval, 1936. 416x316 mm; 16 3/4x13 inches, full margins. Artist's proof, with the title inked and before steel-facing of the plate, aside from the book edition of 225 (Baer cites 8 known proofs on this paper, 4 of which are in public collections). Signed in red crayon, lower right. Printed by Lacourière, Paris. Published by Martin Fabiani, Paris. From Histoire Naturelle. A brilliant, proof-like impression. Bloch 339; Baer 586 II A.
