Ellsworth Kelly, Judd,a.o Sandberg # VORMEN van de KLEUR #orig.silkscr.1966, nm++
Sikkens award # DONALD JUDD , Some Aspects......# 1993, nm
Stephane Brunner original , Donald Judd ao. Minimal art # MIDI-MINUIT\ 1 a 12 # 1994, mint-