Portrait of Nicolaas Godfried van Kampen, N.G. van Kampen (title on object), Portrait bust of Nicolaas Godfried van Kampen, professor of history at Amsterdam. Under the portrait his signature. print maker: Johannes Philippus Lange, (mentioned on object), after painting by: Christiaan Julius Lodewijk Portman, (mentioned on object), 1820 - 1849, Material, steel engraving, height 269 mm x width 188 mm.