License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Anonymous. Plate 14: The Argonauts Eurytus, Echion, and Aethalides (Eurito Echione e Etalide Argonote), led by Mercury in the form of a peacock, from "The magnificent pageant on the river Arno in Florence for the marriage of the Grand Duke" (Le Magnifique carousel fait sur le fleuve de l'Arne a Florence, pour le mariage du Grand Duc), 1664. The Metropolitan Museum of Art.