You might like Left Right The Mountain Opposite II Manolis Calliyannis 1955–6 Red and Brown Edo Murtic 1960 Nives II Victor Vasarely 1949–58 Around the Blues Sam Francis 1957, 1962–3 Site Inhabited by Objects Jean Dubuffet 1965 Fall Bernard Cohen 1964 Blood Picture Hermann Nitsch 1962 Shooting Picture Niki de Saint Phalle 1961 Before the Event Harold Cohen 1963 Yellow Triptych Sir Terry Frost 1957–9 View through a Window II Isabel Rawsthorne 1967 Sprayed Picture Charlotte Posenenske 1964–5