Art & Project # GILBERT & GEORGE, postrcard sculptures # 1980, handwritten, mint--
Art & Project # HAMISH FULTON, Bulletin 109 # 1979, mint-
Art & Project # HAMISH FULTON, Bulletin 52 # 1972, nm+++
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 # HIDETO YAMAZAKI, Bulletin 26 # 1970, nm++
Art & Project # INVITATION , GILBERT & GEORGE # 1970, mint--
Art & Project # INVITATION KUNSTRAI 94, Verkerk, Schuil ao# 1994, mint
Art & Project # invitation STEDELIJK MUSEUM, de Amsterdamse jaren # 1995, mint
Art & Project # Invitation, GILBERT & GEORGE , new works # 1971, nm++
Art & Project # JAAP BERGHUIS , Bulletin 118 # 1980, mint
Art & Project # JAAP BERGHUIS , Bulletin 77 # 1974, mint--
Art & Project # JAAP BERGHUIS, Bulletin 130 # mint--/nm+++
Art & Project # JAAP BERGHUIS, Bulletin 79 # 1974, nm+++/mint--
Art & Project # JAAP BERGHUIS, invitation # 1976 nm++
Art & Project # JAAP BERGHUIS, invitation # 1977, mint--
Art & Project # JAN COMMANDEUR # invitation, 1982, mint--