Art & Project # RICHARD VENLET, invitation # 1991, mint
Art & Project # ROBERT BARRY, Bulletin 97 # 1976, mint-
Art & Project # Robert Ryman and Cologne Art fair # announcement, 1973, nm++
Art & Project # ROBERT RYMAN, Bulletin 70 # 1973, mint-
Art & Project # SANDRO CHIA, Bulletin 115 # 1980, mint--
Art & Project # STANLEY BROUWN ao # invitation, 1972, mint--
Art & Project # STEPHEN ANTONAKOS, Bulletin 98 # 1976, nm+
Art & Project # STEPHEN ROSENTHAL, Bulletin 92 # 1975, mint--
Art & Project # TOMAS RAJLICH # 1974/1975, mint-
Art & Project # TOMAS RAJLICH # handwritten inv, 1971, nm++
Art & Project # TOMAS RAJLICH # invitation, 1977, nm++
Art & Project # TOMAS RAJLICH , Bulletin 134 # 1983, mint--
Art & Project # TOMAS RAJLICH , invitation handwritten by van Beijeren # 1979, nm++
Art & Project # TONY CRAGG , Bulletin 141 # 1985, nm
Art & Project # TONY CRAGG, invitation # 1983, nm+
Art & Project # TOON VERHOEF # 1984, invitation, mint--
Art & Project # TOON VERHOEF # 1997, mint
Art & Project # TOON VERHOEF, Bulletin 126, nm++
Art & Project # TOON VERHOEF, Invitation # 1994, mint-
Art & Project # ULRICH RÜCKRIEM # Bulletin 91, 1975, mint--