License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Kunz Lochner. Crinet Plate and Shaffron Belonging to an Armor for Field and Tournament Made for Duke Nikolaus "The Black" Radziwill (1515–1565), Duke of Nesvizh and Olyka, Prince of the Empire, Grand Chancellor and Marshal of Lithuania, ca. 1555; probably repainted and eye guards restored later. The Metropolitan Museum of Art.