Putti Testing a Man's Perception of Depth
Peter Paul Rubens · c. 1613

pen and brown ink with brown wash over black chalk, heightened with white, on laid paper; indented with a stylus and chalked for transfer on the verso
Peter Paul Rubens · c. 1613

pen and brown ink with brown wash over black chalk, heightened with white, on laid paper; indented with a stylus and chalked for transfer on the verso