License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Pietro Santi Bartoli. The naming of Saint Peter as Head of the Church, after Raphael's Stanza dell'incendio del Borgo, from a series of 15 plates, depicting Raphael's works for the Vatican stanze and the Sistine Chapel tapestries, 1650–70. The Metropolitan Museum of Art.