Lo scalino (1987)
Mixed media, graphite on paper, mounted, 18 x 25 cm. Private collection, Switzerland.
Untitled (1977)
Lithograph, 69.6 x 49.6 cm, ed. 73/100. Private collection, Switzerland.
Negativo per grande orchestra (1968)
Ink on paper. Private collection, Switzerland.
Studio sulla radio (1964)
Typewriting on paper, 28.2 x 22.2 cm. Private collection, Switzerland.
Untitled (Reference nr 6) (2010)
Oil on canvas, 90 x 90 cm. Private collection, Switzerland.
