License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Thomas Sully. Hercules and Antoneus; Fall of Phaetor (Icarus?); Classical Architecture; Sacrifice of Isaac [?] (after Rembrandt?) (from Sketchbook), 1810–20. The Metropolitan Museum of Art.