License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Goya (Francisco de Goya y Lucientes). Plate 5 from "La Tauromaquia": The spirited Moor Gazul is the first to spear bulls according to the rules, 1816. The Metropolitan Museum of Art.