You might like Left Right Coloured Greys I Bridget Riley 1972 Blue and Violet Study Peter Sedgley 1965 Blue Green Modulation Peter Sedgley 1965 Blue Scale Peter Sedgley 1965 Looking Glass No. 1 Peter Sedgley 1966 Looking Glass No. 2 Peter Sedgley 1966 Looking Glass No. 3 Peter Sedgley 1966 Looking Glass No. 4 Peter Sedgley 1966 Looking Glass No. 5 Peter Sedgley 1966 Looking Glass No. 7 Peter Sedgley 1966 Looking Glass No. 8 Peter Sedgley 1966 Looking Glass No. 9 Peter Sedgley 1966