Sound

Bridget Riley (b. 1931) Sound signed and dated 'Riley 73' (on the turnover edge); signed, titled and dated 'RILEY SOUND 73' (on the reverse); signed, titled and dated 'RILEY SOUND 1973' (on the stretcher) acrylic on linen 38½ x 38¼in. (97.8 x 97cm.) Painted in 1973