License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Anonymous, German, 15th century. Elias and Enoch Descend from Heaven, from a "Quindecim signa extremi judicii diem praecedentia" (Antichrist and the Fifteen Signs) blockbook, first edition, ca. 1465–75. The Metropolitan Museum of Art.