[Postmark: Obertürkheim, 9 Sept. 1917].
Oblong 8vo (postcard). ½ page.
Inscribed to the German dermatologist Alwin Scharlau.
After studying in Stuttgart, Vienna and London, Gaupp joined the studio of Carl Theodor von Piloty in Munich in 1873, where he focused on genre painting before taking a study trip to Italy in 1878 that inspired him to turn towards portraiture.
Self-addressed by the collector on the reverse. The Mecklenburg physician Scharlau (b. 1888) assembled a collection of artists' autographs by personal application.