La sosta (1958)
Woodcut on paper, 23.2 x 32.2 cm (36.3 x 52 cm). Private collection, Switzerland.
Untitled (2001-2002)
Graphite on paper, collage, 29.5 x 20.9 cm. Private collection, Switzerland.
Untitled (Of dreams) (2001-2002)
Graphite on paper, collage, 32 x 23.9 cm. Private collection, Switzerland.
