Autograph letter signed.
Vienna, 4 Sept. 1876.
8vo. 1 p.
€ 250.00
To Karl Sonklar von Innstädten, announcing the birth of his son.
Emanuel Herrmann, who was professor of national economics at Vienna's Institute of Technology for more than twenty years, is considered the principal inventor of the postcard.
From the collection of the Austrian industrialist Adalbert Freiherr von Lanna (1836-1909).
