You might like Left Right Coloured Greys I Bridget Riley 1972 Ra 2 Bridget Riley 1981 Fall Bridget Riley 1963 Yellow Attenuation Peter Sedgley 1965 Very Sharp Piero Dorazio 1965 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