Lot 922

2 sheets: Vier dreigeteilte Zonen/Vier gleiche Farbgruppen, 1973; Untitled, 1973

Colour lithograph; Colour serigraph.
H 630 mm W 900 mm; H 550 mm W 750 mm (Visible measurements).

99/150; 63/150. Each signed and dated. (Both in frame). (2).