Studies of human skull , by leonardo da vinci , 1489 , sketch and study , Early Renaissance style , human anatomy, skeletons and skulls, Head, Jaw, Bone, Joint, Skull, Shoulder, Organ, Human
A drawing of a human skull on a piece of paper.
A drawing of a human skull is shown on a piece of paper. The drawing is done in brown ink. There are lines drawn across the top and bottom of the skull. There is some writing on the left side of the paper.