You might like Left Right Coloured Greys III Bridget Riley 1972 Morning Norman Stevens 1974 Six Thin Reds Peter Stroud 1960 Fall Bridget Riley 1963 Very Sharp Piero Dorazio 1965 Three over Four Robert Medley 1970 Morning Agnes Martin 1965 Cantus Firmus Bridget Riley 1972–3 Deny II Bridget Riley 1967 Achæan Bridget Riley 1981 Nataraja Bridget Riley 1993 Untitled Systems painting (six sections) Richard Allen 1972