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
Coins of the Rhodesian pound Coins of the Rhodesian pound The coins of the Rhodesian pound were part of the currency of Southern Rhodesia, which changed its name to Rhodesia, following the break-up of the Federation of Rhodesia and Nyasaland, when the Rhodesian pound replaced the Rhodesia and Nyasaland pound. In 1964, a series of coins was struck for the Reserve Bank of Rhodesia at the South African Mint in Pretoria. They consisted of These coins are interesting in two respects. First, Rhodesia was the first of two countries to utilise Arnold Machin's portrait of Queen Elizabeth II on pre-decimal coinage (the other country was