Mokkatasse und Untertasse (1920)
Hand-decorated porcelain. Private collection, Switzerland.
Self-portrait (1968)
Lithograph on paper, signed and dated below right, 63 x 49.1 cm. Private donation. Private collection, Switzerland.
Greta (24.1.1971)
Litograph on paper, signed and dated below right, 49.7 x 64 cm. Private donation. Private collection, Switzerland.
