Knock, Knock

ROY LICHTENSTEIN (1923-1997) Knock, Knock line-cut on Arches paper, 1975, signed and dated in pencil, annotated 'Reproduced from 'Knock, Knock' 1961,' from the edition of unknown size, published by Centre National d'Art Contemporain, Paris, with full margins, in very good condition, framed Image: 22 ½ x 15 ¾ in. (654 x 476 mm.) Sheet: 25 ¾ x 18 ¾ in. (572 x 400 mm.)