Francis Bacon, george dyer staring at a blind cor

Francis Bacon (1909-1992) george dyer staring at a blind cord lithograph printed in colours, 1966, a rare proof printed on wide margined wove paper, aside from the edition with narrow margins and included in Derrière Le Mirroir issue 162, on Lana wove paper, the full sheet, in good condition, sheet 565 x 400mm.