Ad astra, Opus 471 (1925 ca.)
Etching printed on paper, signed lower left, 47 x 35 cm. Private collection, Switzerland.
Victory (1909)
Etching printed on paper, signed lower right, 54 x 37 cm. Private collection, Switzerland.
Broken Wings (1918)
Etching printed on paper, signed lower right, 48 x 32 cm. Private collection, Switzerland.
Vae Solis (Woe to the Lonely) – Pain (1909)
Etching printed on paper, signed lower left, 54 x 37 cm. Private collection, Switzerland.
You Only See what you Choose to SEE (2024)
Acrylic on panel, signed “IS 24” on the centre-right, Ø 61 cm. Private collection, Switzerland.
M C. XIX V. XIV (2024)
Acrylic on panel, signed “IS 24” on the centre-right, 46 x 62 cm. Private collection, Switzerland.
Portrait of a man with a beard (1900)
Pastel on paper, signed and dated lower right, 60 x 49 cm. Private collection, Switzerland.
Country scene (1920s)
Gouache on paper, monogrammed lower right. Private collection, Switzerland.
Bathers (1920s)
Charcoal on paper, monogrammed lower left. Private collection, Switzerland.
