 In 1815, a single piastra currency was introduced for the Two Sicilies, see Two Sicilies piastra.In the late 18th century, coins were circulating in denominations of 3 piccoli, 1, 2, 10 and 20 grana, 2, 3, 4 and 6 tari, 1 piastra and 1 oncia.These were struck in copper up to the 2 grana, with the higher denominations in silver.