Coin Africa is a term used to refer to the various currencies used in African countries. The three letters SOU stands for the Solomon Islands Dollar, which is the official currency of the Solomon Islands. The four letters LIRA stands for the Italian Lira, which was the official currency of Italy until 2002. The three letters ECU stands for the European Currency Unit, which was a unit of account used by the European Union from 1979 to 1998.