Self portrait (1900 approx.)
Ink on paper unsigned, stamp of the Estate Maurer on the reverse, 34.5 x 24.5 cm. Private collection, Switzerland.
Untitled (undated)
Mixed media on paper, signed, 40 x 25 cm. Private collection, Switzerland.
Untitled (1960 approx.)
Mixed media on paper, signed, 48.1 x 35.1 cm. Private collection, Switzerland.
Untitled (1965)
Oil on canvas, dated and signed, 27 x 22 cm. Private collection, Switzerland (former collection of the poet Nathan Zach).
Le mamelon enchanté (1947)
Etching entitled Le mamelon enchanté and numbered 6/25, entitled and signed, 10.8 x 11.9 cm. Private collection, Switzerland.
Lawine (1916)
Diamant engraving printed on paper, entitled and signed, 19.0 x 11.6 cm (36.3 x 27.9 cm). Private collection, Switzerland.
Jüngling (Lebenszyklus) (1925)
Copper engraving printed on paper, entitled and signed, 19.5 x 10.5 cm (37.9 x 26.6 cm). Private collection, Switzerland.
Lady with hat (1948)
Mixed media on paper, signed and dated, 11.1 x 18.2 cm. Private collection, Switzerland.
The lovers (1916)
Sepia Drypoint printed on paper, signed “H” in the plate, signed and dated and described “Karl Jakob Hirsch 1916”, “Probedruck I. 2. Zustand.”, 20 x 14.8 cm (21.6 x 16.1 cm). Private collection, Switzerland (former Hadassah Klachkin Collection, Tel Aviv, Israel).
Der Glasscherben (1920)
Lithograph, signed in pencil and monogrammed in the plate, 22.4 x 16.5 cm. Private collection, Switzerland.
