Francis Bacon (1909 - 1992), Study for portrait of pope Innocent X. photo courtesy Sotheby's

Lithograph printed in colours, 1989, signed in pencil, inscribed AP, (an artist's proof aside from the edition of 60), on Arches wove paper; image: 950 by 689mm; 37 3/8 by 27 1/8 in - sheet: 1157 by 770mm; 45½ by 30¼in. Estimate 12,000—15,000 GBP. Lot Sold 22,500 GBP

Sotheby's  Modern and Contemporary Prints including Pablo Picasso: Master Printmaker, Works from a Private European Collection, 16 Sep 10, London www.sothebys.com