23 April 1992 
Park of Schloss Rheinsberg
Relief, 1992
Restoration of an arched relief on the portal of the Temple for the Dear Departed in the park of Schloss Rheinsberg, Restoration plan, detailed reconstruction and documentation
Preliminary treatment: Consolidation of the surface, deep acrylic impregnation after Ibach
 Final treatment: Filling in cracks, reassembling fragments, preservation measures



