Signed and dedicated photo of Jack Nicholson to Beni Bischof, gallery Nicola von Senger, Zurich,... 
Signed and dedicated photo of Jimi Hendrix to Beni Bischof, „to Beni”, gallery Nicola von Senger,... 
Signed and dedicated photo of Arnold Schwarzenegger to Beni Bischof „to Beni, great artist!“,... 
Signed photo by Uma Thurman to Beni Bischof, gallery Nicola von Senger, Zurich, Switzerland .... 
Signed and dedicated photo of Pamela Anderson to Beni Bischof, gallery Nicola von Senger, Zurich,... 
Signed and dedicated photo of John F. Kennedy to Beni Bischof, „Beni! Every accomplishment starts... 
Signed and dedicated photo of Sylvester Stallone to Beni Bischof „For Beni!“, gallery Nicola von... 
Signed and dedicated photo of Michael Jackson to Beni Bischof, gallery Nicola von Senger, Zurich,... 
Erwin Wurm holding the sign of the bent car “Renault 25”, which was exhibited in his show “Liquid...