The Circle of the Thieves; Agnolo Brunelleschi Attacked by a Six-Footed Serpent

This is a drawing of a scene with various figures in a rocky landscape. The image shows a creature with a distorted humanoid form, scaly texture, and a twisted body interacting with two other figures. Two robed figures are also present, observing the scene. The backdrop features abstract and jagged rock formations, and small serpentine creatures can be seen in the foreground.