You might like Left Right Untitled [Nineteen Greys D] Bridget Riley 1968 Untitled [Nineteen Greys B] Bridget Riley 1968 Elongated Triangles 5 Bridget Riley 1971 Coloured Greys III Bridget Riley 1972 Coloured Greys I Bridget Riley 1972 Coloured Greys II Bridget Riley 1972 Ra 2 Bridget Riley 1981 Silvered 2 Bridget Riley 1981 Fête Bridget Riley 1989 Blue and Pink Bridget Riley 2001 Achæan Bridget Riley 1981 Elongated Triangles I Bridget Riley 1971