Mutter (1916)
Woodcut, entitled lower left and signed lower right, 32 x 32 cm. Private collection, Switzerland.
Two figures (1940s)
Gouache on paper, signed lower left, 23.5 x 19 cm. Private collection, Switzerland.
Winter in Lithuania (1917)
Drypoint, signed lower right, monogrammed and dated in the plate lower left, 9.8 x 14.7 cm (22.2 x 30.7 cm). Private collection, Switzerland (former Dr. Karl Schwarz Collection, Israel).
Figure (1920-30)
Majolica, probably from Karlsruhe, in the style of Walter Bosse, h. 11cm. Private collection, Switzerland.
Lidded box (1920-30)
Karlsruhe majolica, designed by Paul Speck in 1927, model n. 2900, inscribed Made in Germany, 6 x 14.5 x 9.5 cm. Private collection, Switzerland.
Tea box (1920-30)
Karslruhe majolica, designed by Paul Speck in 1927, model n. 1620, inscribed Made in Germany, height 14 cm. Private collection, Switzerland.
Urban composition (1960s)
Watercolour and mixed media on paper, signed lower left, 27 x 18 cm. Private collection, Switzerland.
Untitled (1965)
Pastels and colour pencils on paper, signed and dated lower left, 65 x 50 cm. Private collection, Switzerland (former Collection Jacob Gildor, Israel).
Untitled (1965)
Watercolour and ink on paper, dated and signed, and described in Hebrew with ball pen, lower left, 65 x 50 cm. Private collection, Switzerland (former Collection Jacob Gildor, Israel).
Still life with vase of flowers on a chair (undated)
Oil on board, signed Numa Donzé lower right, 42 x 33 cm. Private collection, Switzerland.
