License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Giovanni Domenico Tiepolo. The Baptism of Christ (with Christ Half-Kneeling at Left, His Back Turned, and the Baptist Full-Faced at Center, Looking Up), ca. 1770–90. The Metropolitan Museum of Art.