License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Anonymous, Netherlandish, 15th century. The Annunciation, flanked by Eve and the Serpent and Gideon's Fleece, from a "Biblia Pauperum" blockbook, third edition, ca. 1465. The Metropolitan Museum of Art.