Three pieces of cannon, the central one with the arms of Alfonso V of Aragon, Pisanello

Date: 15th century. Dimensions: height: 29.3 cm (11.5 in); width: 20.7 cm (8.1 in). Medium: black chalk, brown wash, charcoal, drawing, pen and brown ink. Collection: Louvre Museum. Pisanello - Codex Vallardi 2294