License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Agostino Veneziano (Agostino dei Musi). St. Matthew, seated on a cloud and dipping a quill into an inkwell held by an angel, who is also holding a scroll, from a series of the four evangelists after Giulio Romano, ca. 1518–20. The Metropolitan Museum of Art.