"Portrait of George Villiers, 1st Duke of Buckingham, half-length, wearing a George on a ribbon, with ruff and slashed doublet; after a drawing by van Dyck in the Willett collection"--British Museum online catalogue
Description:
Title from caption below image., Text below title: "What gave great Villiers to the Assassin's Knife? ... With Power too great to keep or to resign"; text below verses: "In the Collection of Ralph Willett Esqr.", and Sheet trimmed close to plate mark.