License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Utagawa Yoshishige 歌川芳重. Views of Instructions for Bonsai along the Fifty-three Stations of the Tōkaidō (Tōkaidō gojūsantsugi hachiyama zue) 東海道五十三次鉢山図絵, 1848. The Metropolitan Museum of Art.