Watermans Arts Centre # MICHAEL PEEL # 1989, nm
Weber / Hoffman Gallery # SOL LEWITT, Working Drawings # 1995, mint
Wessel Couzijn, Sandberg design # iI # signed/numbered, 1966, nm++/mint
Wesselmann, Warhol & Roth ao, Geneve # TIMBRES ET TAMPONS # 1976, mint
West # CLAUDIA SOLA # 2013, mint-
WEST , MARCEL BREUER # BAUHAUS RONDLEIDINGEN # 2020, card, mint-
Westfalischen Kunstverein Munster # DONALD JUDD /Architektur # 1989, mint
Weterin galerie # GEERT VAN FASTENHOUT # 1985, mint-
Wetering galerie # JAN VAN DER POL # 1984, nm
Whitechapel Art Gallery # RICHARD LONG, the North Woods #1977, nm
Whitechapel Art Gallery # ROBERT RYMAN # 1977, nm
Wiederhall #MARIAN PLUG # with signed card, 1988, mint-
Wiederhall conferendce , KOOLHAAS ao # BLISS # mint
Wilfred Huet, typography # PRAAG # ca. 1990, mint
Wilhelm-Hack Museum, 340 Atelier # WALTER LEBLANC # special cover, 1989, mint
Wilhelm-Lehmbruck Museum # EMIL ORLIK # 1970, nm
Willem Adams, van Campenhout, Hans de Wit # TEKENINGEN # 1990, mint-
Willem Hussem/ Nouvelles Images # ZET HET BLAUW....# 1977, mint-
Willem Kerseboom Fine art # FENG ZHENGJIE & FENG ZHENGQUAN # 2005, nm+
Willem Lenssinck # SCULPTURE DESIGN # 2006, mint
