Robert Motherwell (1915-1991)
Black on Black (B. 191)
lithograph, 1978, on Chine collé, signed in pencil, numbered 52/58 (there were a further eight artist's proofs), published by Brooke Alexander Inc., New York, the full sheet as published, a deckle edge at the right, generally in very good condition
L. 554 x 408mm., S. 705 x 565mm.