Art & Project # INVITATION , GILBERT & GEORGE # 1970, mint--
Art & Project # Invitation, GILBERT & GEORGE , new works # 1971, nm++
Bergkerk Deventer # MARIE JO LAFONTAINE # invitation, 1991. mint-
Brediusstichting # HARRIE GERRITZ # 2001, invitation, mint
CBK Rotterdam # MADDY ARKESTEYN # invitation, 1994, nm+
Coppejans Gallery # ROBERT SCHAD # invitation, mint
galerie 16 # WILFRIED LANSINK # invitation, 2007, nm+
galerie 1900 2000 # JEAN JACQUES LEBEL, invitation # 1988, nm+
galerie Aujourd'hui and Galleria Schwarz # ADAMI invitations # 1966, nm
Galerie Bernd Klüser # TONY CRAGG # invitation, 1991, mint
galerie Hüsstege # JOOP BIRKER / MIKULAS RACHLIK #invitation, 1991, mint-
galerie Magdalene Sothmann # SAM MIDDLETON # invitation, 1973, mint-
galerie Ramakers # WARFFEMIUS, Grafielk 100 edities # invitation, 1994, nm+
galerie Sothmann # Pierre van Soest # invitation, 1963, mint
galerie Swart # MULHEIMER FREIHEIT, invitation # 1982, nm+
galerie Wansink # HARRIE GERRITZ # 1990, invitation, mint-
galerie Willy Schoots # ARMANDO # invitation, 1997, mint--
galerie Willy Schoots # GER LATASTER # invitation, 2008, mint
galerie Willy Schoots # RICHARD MORTENSEN # invitation, 1996, nm++
Galerie Willy Schoots # RIK VAN IERSEL & DAVID SPILLER # invitation, 2008, mint