Oblong 8vo (postcard). ½ page.
Inscribed to the German dermatologist Alwin Scharlau.
A student of the sculptor Ernst Rietschel in Dresden, Donndorf completed the Luther Monument in Worms after Rietschel's death together with Gustav Adolph Kietz and taught sculpture from 1876 to 1910 at the Academy of Fine Arts in Stuttgart.
Traces of a postmark. Self-addressed by the collector on the reverse. The Mecklenburg physician Scharlau (b. 1888) assembled a collection of artists' autographs by personal application.