The Model and the Mask, 1906

Eduard Jean Steichen :: In Memoriam, photogravure. Published in Camera Work Special Supplement (Steichen Supplement), 1906. | src Heidelberg University and Universität Zürich

Liegender Akt VI, 1926

Anton Josef Trčka, Antios (1893–1940) :: ‘Aktstudie VI’, Vienna, 1926. Vintage brome-silver print, brown-toned, double-weight matte paper. Signed and dated by the photographer “ANTIOS 1926” in the negative upper left, handwritten annotation “Foto Ringwerkstaetten” and numbered “VI” in pencil on the reverse.
Anton Josef Trčka, Antios (1893–1940) :: ‘Aktstudie VI’, Vienna, 1926. Vintage brome-silver print, brown-toned, double-weight matte paper. Signed and dated by the photographer “ANTIOS 1926” in the negative upper left, handwritten annotation “Foto Ringwerkstaetten” and numbered “VI” in pencil on the reverse. | src Ostlicht photo auction Spring 2022
Anton Josef Trčka (Antios) :: Liegender Akt VI (Reclining Nude VI), Vienna, 1926. Silver print, contact print, warm toned. Signed with pseudonym 'Antios' and dated 1926.
Anton Josef Trčka (Antios) :: Liegender Akt VI (Reclining Nude VI), Vienna, 1926. Silver print, contact print, warm toned. Signed with pseudonym ‘Antios’ and dated 1926. | src MutualArt

La Cigale, 1906

Eduard Jean Steichen :: La Cigale, photogravure. Published in Camera Work Special Supplement (Steichen Supplement), 1906. | src Heidelberg University and Universität Zürich

Nude, Kara Mappe series, 1920s

Germaine Krull :: Akt, Kara Mappe, ca. 1922-1924. | src Kunstleben Berlin Magazin für Kunst in Berlin
Germaine Krull :: Nu, série Kara Mappe, ca. 1922-1924. | src Lempertz

Dancer against frieze, ca. 1927

Paul Jsenfels :: Nude dancer (with frieze behind her), ca. 1927. Photographed at the Herion Dance School in Stuttgart (Germany). | src and hi-res liveauctioneers