Hans and Walther Kühn
Gum dichromate over platinum print on heavy Japan laid paper. 45 x 33,3 cm (48,3 x 37 cm). Notes on the photochemical process by Heinrich Kühn in pencil as well as annotated in an unknown hand in pencil on the verso.
The photograph shows the eldest son Walther, who at this time had already begun his education as a painter, portraying his younger brother Hans.
Formerly Harry H. Lunn Gallery, Washington; private collection, Austria
Harry H. Lunn (ed.), Photo-Secession, exhib.cat. Lunn Gallery, Washington, Washington 1977, ill. 126