Portret van een onbekende man 1856

"Portret van een onbekende man" is a lithograph by Dutch artist Sybrand Altmann, created in 1856. This black and white print depicts an unknown man in a formal pose, standing with his hand on a chair. The artwork is known for its realistic style and use of shading, giving the subject depth and presence. It is currently held in the Rijksmuseum, a prominent museum showcasing Dutch art and history, measuring 535 mm in height and 410 mm in width.