License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Thomas Rowlandson. Glorious Defeat of the Dutch Navy, Oct. 10, 1797, by Admirals Lord Duncan and Sir Richard Onslow with a View Drawn on the Spot of the Six Dutch Line of Battle Ships captured and brought into Yarmouth, October 22, 1797. The Metropolitan Museum of Art.