Günther Uecker Untitled, 1965 pigment, latex and nails on canvas on wood 9 5/8 x 9 5/8 x 2 1/2 inches (24.5 x 24.5 x 6.5 cm)
Günther Uecker Structure Field, 1962 emulsion paint and nails on canvas on wood 23 5/8 x 23 5/8 x 5 7/8 inches (60 x 60 x 15 cm)