Maisenbacher Art Gallery · Trier (DE) Aqua Globalis - Cannes B 1 Oct 2007 – 30 Nov 2007 Sven Hoffmann
Maisenbacher Art Gallery · Trier (DE) Start '04 13 Jan 2004 – 29 Feb 2004 Christoph Friedrich, Sven Hoffmann, Peter Schloer
Maisenbacher Art Gallery · Trier (DE) Out of his catalogue 1 Nov 2003 – 31 Dec 2003 Christoph Friedrich
