Leonardo's interest in the structures of the monumental archaeological site is documented by several sketches and notes. The most renowned of these notes, those of the Arundel Code depicting the so called Serapeum of the Tiburtine imperial Villa, have long been analysed and examined by the greatest Vincian experts (Pedretti, Marani), and by scholars of the Tiburtine imperial Villa (Cinque). The Convention was conceived on the basis of the results...