License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Suzuki Harunobu. Koshikibu no Naishi (999–1025), from "Hyakunin Isshu" (One Hundred Poems by One Hundred Poets), ca. 1768. The Metropolitan Museum of Art.