Quadrat Bottrop, Josef Albers Museum # Edward Quinn, PICASSO # poster, 1995, mint
Quadrat Bottrop, Josef Albers Museum # JONAS WEICHSEL # poster,2018 , mint
Quadrat Bottrop, Josef Albers Museum # KURT KOCHERSCHEIDT # poster 2013, mint-
Quadrat Bottrop, Josef Albers Museum # Marfa paintings TOBIAS PILS # 2017, mint-
Quadrat Bottrop, Josef Albers Museum # ULRICH ERBEN # 2019, poster, mint
Quadrat Josef Albers Museum # POL BURY # 1990, mint
Quadrat Moderne Galerie Bottrop # NAT LEEB # 1981, nm+