1582, Papal States, Vatican, Gregory XIII. Silver Testone (30 Baiocchi) Coin. Mint Place: Rome Mint Period: 1572-1585 References: Berman 1213.Denomination: Testone (30 Baiocchi) Diameter: 31mm Weight: 8.82gm Material: Silver Obverse: Bearded bust of Pope Gregory XIII, wearing mozzetta and mantum right. Legend: GREGORIVS · XIII · PONT · M · Reverse: Scene of the baptizing of Jesus by ...