You might like Left Right Four Blues, Two Discs : April 1970 Patrick Heron 1970 Interlocking Scarlet and Pink in Deep Green : April 1970 Patrick Heron 1970 Six in Vermilion with Green in Yellow : April 1970 Patrick Heron 1970 Six in Vermilion with Violet in Red : April 1970 Patrick Heron 1970 Three Reds in Magenta and Green in Blue : April 1970 Patrick Heron 1970 Umber Disc and Red Edge : April 1970 Patrick Heron 1970 Eight Including Ultramarine : 1971 Patrick Heron 1971 January 1973 : 4 Patrick Heron 1973 January 1973 : 10 Patrick Heron 1973 January 1973 : 13 Patrick Heron 1973 January 1973 : 18 Patrick Heron 1973 Small Red : January 1973 : 1 Patrick Heron 1973