Portrait of Admiral Maarten Harpertszoon Tromp aged 42

Portrait of Admiral Maarten Harpertszoon Tromp at the age of 42. Bust in oval frame flanked by two angels blowing trumpets and flags and smoking cannons. Below the portrait a view in bird's-eye perspective of the naval battle off Dunkirk in which Admiral Tromp played a meritorious role. In the margin below a Dutch verse in eight lines in which Abraham van Waesberge honours Tromp's good deeds.