Ernst Wilhelm Nay "DUNKLE ZIRKEL" (1960) Oil on canvas Signed and dated lower right: Nay 60. Signed in chalk on the reverse: Nay. Signed, titled and dated in black felt-tip pen on the upper stretcher bar: NAY - "DUNKLE ZIRKEL" - 1960 119,5 x 85 cm Private collection, North Rhine-Westphalia Nay. London, New London Gallery, 1960, cat. no. 29 / Deutscher Künstlerbund. 11. Ausstellung. Baden Baden, Staatliche Kunsthalle, 1961, cat. no. 99 ill. / Krefelder Privatsammlungen nach 1945. Krefeld, Museum Haus Lange, 1964 / Ernst Wilhelm Nay. Gemälde Scheibler 970 On the stretcher labels of the exhibitions Krefeld, Karlsruhe and Hamburg, each 1964, Frankfurt a.M. 1965, Stuttgart 1966, Berlin, Mannheim and Vienna, each 1967 (see below)