License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Francois de Poilly. The adoration of the shepherds who kneel together at right before the infant Christ, the Virgin and Saint Joseph at left, two angels above, in an octagonal frame, after Reni, ca. 1655–93. The Metropolitan Museum of Art.