Caption:
Gian Galeazzo Visconti 1 and his sons Filippo Maria 2, Gian Maria 3 and Gabriele Maria 4. Filippo holds a model of Certosa di Pavia, a monastery in Pavia, Lombardy. From a ceiling fresco by Ambrogio Borgognone. Giangaleazzo, Filippomaria, Giovanmaria e Gabriele Visconti. Handcoloured copperplate engraving after Giulio Ferrario in his Costumes Ancient and Modern of the Peoples of the World, Il Costume Antico e Moderno, Florence, 1837.