License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Suzuki Harunobu. The First Day of Spring (Risshun), from the series Fashionable Poetic Immortals of the Four Seasons (Fūzoku shiki Kasen), ca. 1768. The Metropolitan Museum of Art.