Hockney, David. MO ASLEEP. S.A.C. 124. Etching and aquatint, 1971. Edition of 75 plus 16 proofs. Proofed by Maurice Payne and printed by Shirley Clement at The Print Shop, Amsterdam. Published by Petersburg Press. 27 x 21 inches, 680 x 535 mm. (plate), 35 1/2 x 27 3/4 inches (sheet).Mo McDermott was Hockeny's Studio Assistant, and a long-time friend. In excellent condition.