Non-decimal currency Non-decimal currency A non-decimal currency is a currency that has sub-units that are a non-decimal fraction of the main unit, i.e. the number of sub-units in a main unit is not a power of 10. Today only two countries in the world use non-decimal currencies. Both of these countries are in Africa. These are Mauritania (1 ouguiya = 5 khoums) and Madagascar (1 ariary = 5 iraimbilanja). However these are only theoretically non-decimal, as in both cases the value of the main unit is so low that the sub-unit is too small to be of any practical use and coins
Luccan pound Luccan pound The pound (Italian: "lira") was the currency of the Republic of Lucca until 1800 and again of the Duchy of Lucca between 1826 and 1847. It was subdivided into 20 shillings (Italian: "soldi"), each of 3 "quattrini" or 12 pennies (Italian: "denari"). The pound circulated until 1800, when the French franc was introduced, accompanied by the Luccan franc from 1805. After Napoleon's fall, the Luccan State remained without an official currency, using both old francs and Tuscan pounds and florins. The Luccan pound reappeared in 1826 by order of Duke Charles Louis, replacing all circulating currencies. The Luccan