You might like Left Right Untitled [Fragment 6/9] Bridget Riley 1965 Coloured Greys I Bridget Riley 1972 Untitled Bridget Riley 1964 Fall Bridget Riley 1963 Very Sharp Piero Dorazio 1965 Cantus Firmus Bridget Riley 1972–3 Deny II Bridget Riley 1967 To a Summer’s Day 2 Bridget Riley 1980 Achæan Bridget Riley 1981 Hesitate Bridget Riley 1964 Nataraja Bridget Riley 1993 Untitled Systems painting (six sections) Richard Allen 1972