Edizioni Flaviana # ENRICO CASTELLANI , Superficie Oro # Minimultipli, 1967, nm++
Edizioni Flaviana # UGO LA PIETRA, Campo Tissurale # 1967, mint-
Henk Peeters , C HOBbIM TOAOM ! # originele COMPOSITIE # Gesigneerd/gestempeld
Henk Peeters, Zero/Nul # ECHT PEETERS # signed , dated ,stitched / 2011, mint
Herman de Vries, Goeritz and Ad Reinhardt # REVUE INTEGRATION no.9 #1967, nm
Royen, Vandenbranden a.o.# NUL drie drie drie#1960,nm-
Zero, Mack, Piene# NEUE GRUPPE SAAR# 1961, nm