For detailed information, see A. Gerber, "All of the Five Fictitious Italian Editions of Writings of Machiavelli and Three of those of Pietro Aretino Printed by John Wolfe of London (1584-1588)," Modern Language Notes, vol. 22:1 (Jan., 1907), pp. 2-6.
Additional early modern texts printed in Italy in Haverford's Special Collections
See this list of texts, many in Latin, for potential examples of other early modern codices printed in Italy.