Caption:
Double portrait of Frederick III, later King of Denmark and Norway and his brother Ulrich of Denmark. Both princes face each other, half in the foreground, Frederick III on the left and Ulrich on the right., Portraits of Frederick III and Ulrich of Denmark, print maker: Adriaen Matham, (mentioned on object), after: Pieter Isaacsz., (mentioned on object), Haarlem, 1615, paper, engraving, h 210 mm × w 273 mm