Cosimo I de Medici (1519-1574). Portrait by Bronzino (Agnolo di Cosimo), (1503-1572), 1537.
Cosimo I de Medici (1519-1574). Portrait by the Italian Mannerist painter Bronzino (Agnolo di Cosimo), (1503-1572). Florentine School. 1537. Oil on canvas transferred form panel. The State Hermitage Museum. Saint Petersburg. Russia.