Cosimo I surrounded by artists, architects and engineers of its palace

From the left: Battista del Tasso, Nanni Unghero, Gian Battista Bellucci, Baccio Bandinelli, Benvenuto Cellini, Luca Martini, Bartolomeo Ammannati, Niccolò Tribolo and at the bottom, Giorgio Vasari and Francesco Seriacopi, superintendent of Fabbriche ducali.