Medici Villa La Petraia, courtyard: “Alessandro, first duke of Florence”, fresco from the cycle of the Fasti Medicei by Volterrano (Baldassarre Franceschini), 1636-1647.On a kind of raised loggia, Duke Alessandro de' Medici sits on a throne while receiving his title with ducal attributes from representatives of the Florentine Republic in 1531.Detail.