License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
James Gillray. "The Inexpressible Air of Dignity,–the Incomprehensible je-ne-sais Quoi of Elegance, which Appertains Solely to Men of High Fashion."–Vide, Lord Chesterfield's Letters, March 9, 1803. The Metropolitan Museum of Art.