2 multiples and one graphic: Optimistic Box No. 1, 1968; Optimistic Box No. 2, 1969; Modern Video Model, 1984
Cobblestone in wooden box with fastener; Photograph in wooden box with fastener; Silkscreen printed in colors. H 105 mm W 110 mm D 110 mm; H 25 mm W 12 mm D 90 mm; H 480 mm W 640 mm.