You might like Left Right Relief Construction Anthony Hill 1960–2 Spiral Movement Mary Martin 1951 Spiral Mary Martin 1963 Inversions Mary Martin 1966 Relief Construction Anthony Hill 1963 Hesitate Bridget Riley 1964 Black Relief Mary Martin 1957–c.66 Perspex Group on Orange (B) Mary Martin 1969 Perspex Group Mary Martin 1963 0 1=2 Li Yuan-chia 1965 B N=0 Li Yuan-chia 1965 Permutation of Six Mary Martin 1966
