Hans Vijgen # INSTALLATIE; Systeem nr.7 # 1993, ed. 100, signed, nm+
Tjibbe Hooghiemstra # DO TIME # ed.5/250, signed, incl. original lithograph,1999
Wessel Couzijn, Sandberg design # iI # signed/numbered, 1966, nm++/mint
Working Drawing # THE SIGN # 1991, nm+