It was equivalent to eight "soles" or half a "scudo" in the former currency. Roman Republic also issued coins denominated in "baiocco" and "scudo". The Roman scudo (plural&colon; "scudi romani") was the currency of the Papal States until 1866. The pound replaced the Maltese scudo in 1825. There were no subdivisions of the sol but 16 soles were equal to 1 scudo. The currency in use in Savoy was the Piedmontese scudo. Six pounds were called shield ("scudo") and were equivalent to the Austrian "Conventionsthaler". The exchange rate used was 5.375 lire = 1 scudo. The scudo was first minted in Rhodes in 1318. In the Papal States, the Papal States scudo was the currency until 1866. The Papal States scudo was the coinage system used in the Papal States until 1866. The CDU's symbol used the crossed shield ("scudo crociato") of Christian Democracy. The scudo was first minted in Malta during the reign of Piero de Ponte. In 1866, the scudo was replaced by the lira, equivalent to the Italian lira. When the Pope's authority was restored in 1814, the scudo was restored as the currency.