1506, Bologna (City), Giovanni II Bentivoglio. Silver Grossetto CoinReference: CNI 19.Mint Place: Bologna Denomination: Grossetto Mint Period: 1446-1506 ADDiameter: 22mmWeight: 1.54gmMaterial: Silver Obverse: Saint Petronius, wearing episcopal regalia, seated facing, holding model of city and crozier.Legend: S PETR – ONIVSReverse: Lion rampant slightly left, holding banner. All wi ...