"Marzocco", by Donatello (Donato di Niccolò di Betto Bardi), pietra serena (stone), white and red marble, 1420.The Marzocco, whose name likely derives from Mars, was placed in the Piazza della Signoria (now replaced by a copy) as an animal symbolizing the city of Florence and its strength. It holds a shield with the Florentine lily in white and red marble.