Josef Albers Museum , Bottrop # LEO ERB # 2003, mint
Anni and Josef Albers # BEGEGNUNG MIT LATEINAMERIKA # 2007, mint
Josef Albers Museum , Bottrop # ENZO MAIOLINO # original silkscreen.1997, mint-
Josel Albers Museum/ Quadrat Bottrop # original silkscreened print WALTER LEBLANC # 1989, mint-
Quadrat Bottrop # DORA MAURER # original silkscreen # 1998, mint
Quadrat Bottrop # NICHOLAS NIXON # 2004, mint