License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Kubo Shunman. “Inrō and Netsuke,” from the series Famous Leathers, Inrō, and Netsuke (Meibutsu kawa, inrō, netsuke)
From the Spring Rain Collection (Harusame shū), vol. 2, 1810s. The Metropolitan Museum of Art.