Autograph quotation signed.
Oblong 8vo (postcard). 1 page.
Inscribed to the German dermatologist Alwin Scharlau: "Aus Versehen war Ihre Karte in St. Anna ter Muiden liegen geblieben und erhalte ich dieselbe eben jetzt erst. Hiermit die gewünschte Unterschrift […]".
Starting out as an impressionist painter, Baum turned towards Pointillism from 1900, creating landscape paintings inspired by Flemish and Dutch scenery, and is considered one of the few prominent German artists of this style.
Self-addressed by the collector on the reverse. The Mecklenburg physician Scharlau (b. 1888) assembled a collection of artists' autographs by personal application.