License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
José Guadalupe Posada. A demon breathing fire and people running around in the foreground, illustration for 'El Testerazo del Diablo,' published by Antonio Vanegas Arroyo, ca. 1898 (a later impression). The Metropolitan Museum of Art.