Constructivism 1: Multiples de Böhm, Lohse, Keller, Colombo, Gestner, Morandini (1970)

Gianni Colombo: Galleria L’attico, Roma (1968) (Hand-Signed)

Lucio Fontana: Galerie XX Siècle (1965)

Hugo Demarco: Galerie Denise René (1961)

Galleria Del Leone San Marco Venezia: Group Exhibition (1964)

Mimmo Rotella: Vatican IV, Galerie "J" Paris (1965)