De Brock Gallery, Belgium
Acquired from the above by the present owner
Zurich, Museum Haus Konstruktiv, Imi Knoebel: Guten Morgen, weisses Kätzchen, May 31–September 1, 2018, pp. 138-139, 155 (illustrated, pp. 138-139, 155; installation view illustrated, p. 152)