“St John the Baptist preaches to the crowds”, by fourteenth-century Florentine goldsmiths. St. John holds up the motto: "Vos clamantes in the desert, parate viam Domini".Tile of “The Silver Altar of St. John's Treasure” (1367 - 1483), Museum of the Opera del Duomo (Museum of Florence Cathedral of Santa Maria del Fiore), Florence.
