You might like Left Right Untitled [Nineteen Greys D] Bridget Riley 1968 Coloured Greys I Bridget Riley 1972 Ra 2 Bridget Riley 1981 Silvered 2 Bridget Riley 1981 Fall Bridget Riley 1963 Late Morning Bridget Riley 1967–8 Colour Cycle III Peter Sedgley 1970 Three over Four Robert Medley 1970 Deny II Bridget Riley 1967 To a Summer’s Day 2 Bridget Riley 1980 Achæan Bridget Riley 1981 Nataraja Bridget Riley 1993