You might like Left Right Untitled [Fragment 1/7] Bridget Riley 1965 Untitled [Fragment 2/10] Bridget Riley 1965 Untitled [Fragment 5/8] Bridget Riley 1965 Untitled [Fragment 6/9] Bridget Riley 1965 Spiral Movement Mary Martin 1951 Spiral Mary Martin 1963 Inversions Mary Martin 1966 Black Relief Mary Martin 1957–c.66 Abstract in White, Green, Black, Blue, Red, Grey and Pink Victor Pasmore c.1963 Perspex Group on Orange (B) Mary Martin 1969 Expanding Form Mary Martin 1954 Permutation of Six Mary Martin 1966