Joseph von Hammer-Purgstall (1774–1856)

Josef Kriehuber (1774–1856), portrait of Joseph von Hammer-Purgstall (1774–1856), lithography (photographic reproduction), 1843, photographer: Peter Geymayer; source: private collection, wikimedia commons, http://commons.wikimedia.org/wiki/File:Hammer_Purgstall.jpg.

Josef Kriehuber (1774–1856), Joseph von Hammer-Purgstall (1774–1856), lithography (photographic reproduction), 1843, photographer: Peter Geymayer; source: private collection, wikimedia commons, http://commons.wikimedia.org/wiki/File:Hammer_Purgstall.jpg, public domain.