Two Surinam or Amazonian horned frogs (Ceratophrys cornuta), 14 Juni 1884

Watercolor , double pen and black ink framing lines

40.9 cm - 50.8 cm (16.1 in - 20 in)

Estimated price : €40,000 - €60,000

Sold for: Signedin to unlock

Christie's - New York,Jan 31, 2024

"Die Riesenmuschel. Chama gigas" (The giant clam. Chama gigas)

Watercolor over black chalk, on paper

41.5 cm - 47.7 cm (16.34 in - 18.78 in)

Estimated price : €6,000 - €8,000

Sold for: Signedin to unlock

DOROTHEUM - Vienna,Sep 26, 2017

Insecten Tab. 2

Watercolor on paper

41.1 cm - 49.7 cm (16.18 in - 19.57 in)

Estimated price : CHF 9,000 - CHF 12,000

Galerie Fischer Auktionen AG - Lucerne,Nov 25, 2014

Würmer

Watercolor on paper

40 cm - 50 cm (15.75 in - 19.68 in)

Estimated price : €6,000 - €8,000

DOROTHEUM - Wien,Oct 01, 2014

Various mussels and snails

Watercolor on paper

36 cm - 50 cm (14.17 in - 19.68 in)

Estimated price : €5,000 - €7,000

DOROTHEUM - Wien,Oct 01, 2014

Etudes d'invertébrés

Watercolor

32.5 cm - 42.5 cm (12.8 in - 16.73 in)

Estimated price : €1,000 - €1,500

Sold for: Signedin to unlock

Artcurial - Paris,Nov 12, 2013

Tortue de mer

Watercolor ink

32 cm - 43.5 cm (12.6 in - 17.13 in)

Estimated price : €4,000 - €6,000

Sold for: Signedin to unlock

Artcurial - Paris,Nov 12, 2013

The Colourful Jacana., 1877

Watercolor on paper

46 cm - 34 cm (18.11 in - 13.39 in)

Estimated price : €15,000 - €20,000

Sold for: Signedin to unlock

DOROTHEUM - Wien,Oct 15, 2013