License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Pierre Alexandre Aveline. Trois Amours dont un tient une flèche (Three Loves, one of which holds an arrow), from Premiere Livre de Groupes d'Enfans (First Book of Groups of Children). The Metropolitan Museum of Art.