Study of horses for the Battle of Anghiari, Leonardo da Vinci, between 1503 and 1504

Date: between 1503 and 1504. Dimensions: height: 196 mm (7.71 in); width: 308 mm (12.12 in). Medium: black and red chalk, pen and ink, wash on paper. Collection: Royal Library at Windsor Castle. Leonardo da vinci, Study of horses for the Battle of Anghiari