Emil Schumacher, Quadrat Bottrop # Schumacher MEMORIAM # 2000, mint
Erwin Blumenfeld ,Josef Albers Museum # LICHTSEITEN # 2002, mint
Josef Albers Museum # JOSEF ALBERS in BOTTROP # 2004, mint
Josef Albers Museum #JOHN SZARKOWSKI # 2009, mint
Josef Albers Museum, Quadrat Bottrop # JEF VERHEYEN # 1997, mint
Josef albers Museum, Quadrat Bottrop # JERRY ZENIUK # signed, 2016, mint
Josef Albers Museum, Quadrat Bottrop# AURELIE NEMOURS # orig. silkscreen, 1996
Josel Albers Museum/ Quadrat Bottrop # original silkscreened print WALTER LEBLANC # 1989, mint-
Quadrat Bottrop # BERNAR VENET # 1987, mint
Quadrat Bottrop # JAWLENSKY & ALBERS a # 2004, mint
Quadrat Bottrop # NICHOLAS NIXON # 2004, mint
Quadrat Bottrop , Josef Albers Museum # ANTON STANKOWSKI # poster, 2006, mint
Quadrat Bottrop / Josef Albers museum # POL BURY signed # 1990, mint
Quadrat Bottrop / Josef Albers museum# Kimber Smith # 2005, mint
Quadrat Bottrop / Josef Albers museum# Yuji TAKEOKA # 2011, mint
Quadrat Bottrop, Albers # EGON SCHIELE # 1986, mint
Quadrat Bottrop, Albers Museum # Jean DEWASNE # 1991,orig.silkscreen, mint
Quadrat Bottrop, Albers Museum # KLAUS STAUDT # 2002, mint
Quadrat Bottrop, Albers Museum # POL BURY # 1990, mint
Quadrat Bottrop, Albers Museum #AD REINHARDT, Letzte Bilder #typo 2011, mint