EditorialGiovacchino Fortini, Cosimo III de' Medici (1642-1723), Grand Duke of Tuscany 1670-1723, ca. 1700, bronze, 3 1/4 in. (8.3 cm.), Cosimo III de' Medici (1642-1723) was the penultimate regent in a long line of Medici Grand Dukes of Tuscany. He is often ch...