647/ 72. 1972.
Acrylic on canvas.
WVG 626. Verso barely legibly signed. Signed and inscribed on the stretcher. 90 x 90 cm (35.4 x 35.4 in).

PROVENANCE: Private collection Baden-Württemberg.

LITERATURE: Villa Grisebach, Berlin, 60th auction, November 29, 1997, lot 402.
"I believe that there is something irrational about the color. Something that can't be intellectually apprehended. It changes its character through extraneous causes, under changing circumstances. It can emanate and reflect light, it is a reverberation of light that comes from the dark and appears in increased function through the medium of the color." (Quote after: Rupprecht Geiger, Rot Form. Bilder, ex. cat. Kunstverein Braunschweig 1989, pp. 27f.).