Signs on Copper

ROBERT MOTHERWELL (1915-1991) Signs on Copper etching in colors with aquatint, on German Etching paper, 1981, signed in pencil, numbered 'PP I/II' (a printer's proof, the edition was 53 plus ten artist's proofs), co-published by the artist and Petersburg Press, London and New York, with the artist's blindstamp, with full margins, framed Image: 17 5⁄8 x 23 5⁄8 in. (448 x 600 mm.) Sheet: 26 5⁄8 x 31 5⁄8 in. (676 x 803 mm.)