Group exhibition
7 November 1970 to 24 January 1971, Kunstmuseum BaselDie Sammlung der Emanuel Hoffmann-Stiftung
7 November 1970 to 24 January 1971, Kunstmuseum Basel7 November 1970 to 24 January 1971, Kunstmuseum Basel7 November 1970 to 24 January 1971, Kunstmuseum Basel
