License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Anonymous. Apollo pursuing Daphne, whose toes take the form of tree roots, a round composition, reverse copy after a series of engravings by Cherubino Alberti of mythological scenes after Polidoro da Caravaggio, ca. 1550–1600. The Metropolitan Museum of Art.