7 Spherical Shapes (2nd version) (1978) Presented by the Contemporary Art Society, 1982 Michael Pennie
Survivor (1974-76) Presented by the Contemporary Art Society, 1979 Frederick Edward 'F. E.' McWilliam
Black diagonal to edge (from the set Two Plus Tw... Presented by the Contemporary Art Society, 1979 Alan Michael Green
White diagonal to edge (from the set Two Plus Tw... Presented by the Contemporary Art Society, 1979 Alan Michael Green
White over black (from the set Two Plus Two) 2. ... Presented by the Contemporary Art Society, 1979 Alan Michael Green
Black over white (from the set Two Plus Two) 1. ... Presented by the Contemporary Art Society, 1979 Alan Michael Green