Study for the Trivulzio monument, Leonardo da Vinci, between 1508 and 1512

Date: between 1508 and 1512. Dimensions: height: 217 mm (8.54 in); width: 169 mm (6.65 in). Medium: ink, pen, red chalk on paper. Collection: Royal Library at Windsor Castle. Leonardo da vinci, Study for the Trivulzio monument