21 September 2006 to 31 December 2013
Langstrasse 84/ Brauerstrasse 37, 8004 Zurich

8. April 2001 to 2 September 2006
Universitätsstrasse 115/117, 8006 Zurich

15 August 1998 to 31 December 2000
Since 1 June 2001 in the collection of the Migros Museum of Contemporary Art, Zurich

4 April 1996 to 30 October 1997
Ankerstrasse 6, 8004 Zürich