Soft Fire Plug, Inverted, 1973. 1016x781 mm; 40x30 3/4 inches (sheet), full margins. Signed, dated and numbered 99/100 in pencil, lower margin. Printed and published by Petersburg Press, London and New York * Study for Sculpture in the Form of an Inverted Q: Above and Below Ground, 1975. 352x280 mm; 13 7/8x11 inches (sheet), full margins. Signed, dated and numbered 11/100 in pencil, lower margin. Printed and published by Petersburg Press, New York and London. Both very good impressions. Axsom 84 and 124.
