German painter (1842-1922). Autograph quotation signed. Karlsruhe. Oblong 8vo (postcard). ½ page.
$ 196 / 180 €
Inscribed to the German dermatologist Alwin Scharlau: "Es ist oft 'ne Kleinigkeit, das des Menschen Herz erfreut [...]". - Accompanying his father, a civil engineer, to Brazil at the age of 15, Keller was able to teach himself drawing by sketching tropical landscapes over a course of five years. He continued his studies at the Karlsruhe Academy upon his return in 1862, advancing to a popular historical painter and portraitist and creating works for prestigious institutions, including the court theatres in Karlsruhe and Dresden.