Art & Project # GILBERT & GEORGE , invitation Videotapes, 1972, mint--
Art & Project # GILBERT & GEORGE , new works # invitation, 1971, nm+++
Art & Project # GILBERT & GEORGE, postrcard sculptures # 1980, handwritten, mint--
Art & Project # HAN SCHUIL # invitation, 1995, mint
Art & Project # HAN SCHUIL # invitation, Kunstrai, 1990, mint-
Art & Project # HAN SCHUIL, handwritten invitation by van Beijeren # 1993, mint
Art & Project # HANNE DARBOVEN # invitation, 1974, nm++
Art & Project # HANS BROEK # Kunstrai 1998, mint
Art & Project # INVITATION KUNSTRAI 94, Verkerk, Schuil ao# 1994, mint
Art & Project # JAAP BERGHUIS, invitation # 1976 nm++
Art & Project # JAAP BERGHUIS, invitation # 1977, mint--
Art & Project # JAN COMMANDEUR # invitation, 1982, mint--
Art & Project # JAN COMMANDEUR, invitation # 1980, mint
Art & Project # Jan COMMANDEUR, invitation # 1985, mint-
Art & Project # JOHN BALDESSARI , Ingres # invitation, ca. 1970 # nm++
Art & Project # JORIS GEURTS , invitation # 1994, mint
Art & Project # JURRIAAN MOLENAAR # invitation, 1996, mint
Art & Project # LAWRENCE WEINER # announcement, 1971, mint--
Art & Project # LEO VROEGINDEWEIJ # 1994, mint
Art & Project # LEO VROEGINDEWEIJ # invitation, 1980, nm++
