Oblong 8vo (postcard). 1 page.
Inscribed to the German dermatologist Alwin Scharlau.
Associated with the artists' association "Luitpold-Gruppe", Hartmann applied himself to landscape and genre painting as well as to portraiture, exhibiting his works in Berlin and Munich as well as in Paris and Venice.
Faint traces of postmarks; upper margin slightly duststained. Self-addressed by the collector on the reverse. The Mecklenburg physician Scharlau (b. 1888) assembled a collection of artists' autographs by personal application.