Anton Stankowski (Gelsenkirchen 1906 – 1998 Esslingen am Neckar). ”Farbwechsel”. 1970 Oil on canvas. 90 × 90 cm (35 ⅜ × 35 ⅜ in.). Monogrammed and dated in the lower right: A ST 70. Signed and dated in black felt-tip pen on the reverse: A. Stankowski 1970. [3227] Provenance: Private Collection, Bavaria (acquired directly from the artist) / Private Collection, Bavaria Literature and illustration: von Wiese, Stephan (ed.): Anton Stankowski. Das Gesamtwerk. 1925-1982. Stuttgart, Verlag Gerd Hatje, 1983, ill. p. 168 (in black and white)