Agnes Martin # the ISLANDS# original silkscreened poster, 2004, mint-
Benjamin Katz # ANDY WARHOL # 1989, mint
Bottrop Quadrat # James BISHOP # signed, 2007, mint
Josef Albers # 85 GEBURTSTAGES # 1971, mint, incl. original silkscreen
Josef Albers Museum # ANDREAS KARL SCHULZE # 2016, min t
Josef Albers Museum # ANNI ALBERS photo, Change of Address # card, mint
Josef Albers Museum # FRED SANDBACK # 2014, mint
Josef Albers Museum # PATRICK FAIGENBAUM # invitation, 2021, mint
Josef Albers Museum #JOHN SZARKOWSKI # 2009, mint
Josef Albers Museum , Bottrop # ENZO MAIOLINO # original silkscreen.1997, mint-
Josef Albers Museum, Bottrop # DONALD JUDD # after JUDD design from 1977, 2008. mint
Josef Albers Museum, Bottrop # Josef LEPORELLO # mint
Josef Albers Museum, Quadrat Bottrop # BORIS KLEINT # >SIGNED< poster, 1994, mint
Josef albers Museum, Quadrat Bottrop # JERRY ZENIUK # signed, 2016, mint
Josel Albers Museum/ Quadrat Bottrop # original silkscreened print WALTER LEBLANC # 1989, mint-
Karl Gerstner # KALTE KUNST? # Max Bill, Josef Albers, R.P.Lohse ao. 1963
Kunstmuseum Den Haag # ANNI & JOSEF ALBERS # invitation, 2022, mint
Quadrat Bottrop # ANDREAS CHRISTEN # poster, 1993, mint
Quadrat Bottrop # JOACHIM BROHM # poster, 2007, mint
Quadrat Bottrop # NICHOLAS NIXON # 2004, mint