1850, Vatican, Pope Pius IX. Copper Baiocco Coin. Mint Year: 1850 Reference: KM-1345. Mint Place: Rome ® Denomination: 1 Baiocco Material: Copper Diameter: 30mm Weight: 9.12gm Reverse: Papal crown (tiara) above crossed keys and coat-of-arms of Pope Pius IX. Legend: PIVS . IX . PON – MAX . ANNO . V . Obverse: Value (1 BAIOCCO) above date (1850) and mint initial ®. All within wreath. ...