License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Niccolò Fiorentino (Niccolò di Forzore Spinelli). Portrait medal of Camilla Buondelmonti Salviati (obverse); Personification of Hope (reverse), model ca. 1490 (possibly cast 16th or 17th century). The Metropolitan Museum of Art.