License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Nathaniel Currier. The Chinese Junk "Keying" [commanded by] Captain Kellett, as she appeared in New York Harbour, July 13th, 1847 –-- 212 days from Canton –-720 tons burthen, 1847. The Metropolitan Museum of Art.