Rot – Schwarz. 1961.
Oil on canvas.
Signed, twice dated and inscribed "April" on stretcher. Verso with an architecture sketch executed in oil. 129,8 x 196 cm (51,1 x 77,1 in). [KP].

Accompanied by photo confirmation issued by the artist.

PROVENANCE: Galerie Ostertag, Frankfurt am Main.
Private collection Frankfurt am Main.