Concerto (1970)
Acrylic on canvas, 32.9 x 26.4 cm. Private collection, Switzerland.
Concerto (1968-1970)
Acrylic on canvas, 32.5 x 26.2 cm. Private collection, Switzerland.
Concerto (1968-1969)
Acrylic on canvas, 32.5 x 26.3 cm. Private collection, Switzerland.
Ritratto della scultrice Burmann (1942)
Tempera on cardboard mounted on Pavatex, 34 x 28.5 cm. Private collection, Switzerland.
Untitled (1994)
Monotype on Japanese paper, 95 x 63.5 cm. Private collection, Switzerland.
Untitled (1988)
Watercolour on paper, 33.9 x 23.9 cm. Private collection, Switzerland.
Untitled (1987)
Graphite on paper, 29.6 x 41.8 cm. Private collection, Switzerland.
Die Ebenen des Grab-Gabentisches (1987)
Graphite on paper, 29.7 x 42 cm. Private collection, Switzerland.
Untitled (1986)
Pastel, graphite and mixed media on paper, 48.5 x 36 cm. Private collection, Switzerland.
