You might like Left Right Letter III [Noh Raid] Ian Tyson 1971 Coloured Greys III Bridget Riley 1972 Paradox III Derek Hirst 1975 Derrynan II Harold Cohen 1967 Derrynan III Harold Cohen 1967 Derrynan III Harold Cohen 1967 Derrynan III Harold Cohen 1967 Derrynan IV Harold Cohen 1967 Derrynan IV Harold Cohen 1967 Derrynan IV Harold Cohen 1967 Derrynan V Harold Cohen 1967 Untitled Harold Cohen 1970