You might like Left Right Matching Parcels [illustration for ‘Folio 3, Dances 14-19’] Ian Tyson 1971 5. Colour Separations Gerd Winner 1973–5 Bridge with Matching Cloud Hans Landsaat 1978 Colour Structure 1 (trial proof) David Leverett 1971 Colour Structure 2 (trial proof) David Leverett 1971 Coloured Greys III Bridget Riley 1972 Coloured Greys I Bridget Riley 1972 Coloured Greys II Bridget Riley 1972 Colour Satin David Leverett 1975–7 Colours Up (Induction) Barry Flanagan 1972, reprinted c.1983 Chance, Order, Change 12 (Four Colours) Kenneth Martin 1980
