License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Anonymous, Italian, 16th century. Relief with Mithras kneeling upon a bull and driving a sword into its shoulder, at left two smaller standing figures, one holding a sheathed sword and one holding a sword, a frieze with chariots and serpents coiled around figures above, 1564. The Metropolitan Museum of Art.