Keywords: Leonardo da vinci, Study of five grotesque heads.jpg Artwork Creator Leonardo Da Vinci ca 1494 Pen ink paper size cm 261 206 Institution Royal Library Windsor object history credit line accession number WGA link 12786 http //www wga hu/art/l/leonardo/08heads/055heads jpg http //www wga hu/html/l/leonardo/08heads/055heads html PD-old-100 graphics study Italian 1451-1500 WGA form graphics WGA type study WGA School Italian WGA time period 1451-1500 Codex Windsor Caricatures by Leonardo da Vinci |