License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Aubrey Vincent Beardsley. Praying Angels and Poppies (Border Design for Thomas Malory, "Le Morte d'Arthur," J. M. Dent 1893–94, Part III, book vii, chapter i, p. 219), by May 30, 1893. The Metropolitan Museum of Art.