Portret van een onbekende man c. 1857

"Portret van een onbekende man" (Portrait of an Unknown Man) is a lithograph created by Joseph Schubert in 1857. The artwork depicts a man in a formal suit and a white cravat. The subject is placed in an oval frame, suggesting a formal portrait. The subject's identity is unknown, though he appears to be a well-dressed gentleman from the 19th century. The artwork is currently part of the Rijksmuseum's collection, and measures 406 mm in height and 316 mm in width.