W138, Kensmil , Schleiffert ao # 2010, mint-
waddington Galleries # BARRY FLANAGAN #invitation, 1990, mint-
Waddington galleries # DAVID SALLE # invitation card, 1989, mint-
Waddington Galleries # PATRICK CAULFIELD # invitation, 1989, mint--
Waddington Graphics # JIM DINE # invitation, 1990, mint
Walker Art Gallery # IAN McKEEVER # 1981, near mint+
Walserij Oost @ HENK DE VRIES/ RÖTTGERING # 1962, nm
Warhol , Finkelstein # PHOTOGRAPHY NOW # 1999, nm+
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 , 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 # 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