Triptych: one print

FRANCIS BACON (1909-1992) Triptych: one print etching with aquatint in colors, on Guarro paper, 1981, signed in pencil, numbered 17/99 (there were also fifteen artist's proofs), published by Ediciones Polígrafa, Barcelona, with full margins, in generally good condition, framed Image: 15 1/4 x 11 5/8 in. (387 x 295 mm.) Sheet: 25 1/2 x 19 1/2 in. (645 x 495 mm.)