WALKER, Murray (b.1937) (3), 'The Green House,' 18 Nov 1963, w/clr (34x49cm); Distorted Zoom Lens, 1975, mixed media on paper (24x33cm); & Female Nude in Hat, 1965, etching 1/3 (17x9cm). The latter two with Ray Hughes Private Collection label verso. Estimate $50-100