You might like Left Right A. Black Justin Knowles 1968 B. Black Justin Knowles 1968 D. Yellow Justin Knowles 1968 A Series of Fifteen Justin Knowles 1974–5 S.148.01 Justin Knowles 2002 S.157iv.01 Justin Knowles 2002 S.24.02 Justin Knowles 2002 S.28.02 Justin Knowles 2002 Mosaic Relief No. 4 John Ernest 1966 Two Resin Panels with Black (and Space) Justin Knowles 1968–75 Moebius Strip John Ernest 1971–2 WD.01. Systematic resin Panel Quadrants.1.00/74 Justin Knowles 1974–2003
