License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Marco Dente. The Skeletons, a group of emaciated men and women gathered around a skeleton laid on the ground and a figure of Death as a winged skeleton standing above it holding an open book, 1515–27. The Metropolitan Museum of Art.