You might like Left Right Untitled [Nineteen Greys D] Bridget Riley 1968 Coloured Greys I Bridget Riley 1972 Birthday Picture I Herbert Bayer 1970 Birthday Picture II Herbert Bayer 1970 Four Segmented Circles Herbert Bayer 1970 Output Derek Boshier 1966 Untitled Martin Canin 1969 Untitled Martin Canin 1969 Untitled Martin Canin 1969 Untitled Martin Canin 1972 Untitled Martin Canin 1972 Untitled (Rabat) Frank Stella 1964