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
Gambian pound 1/2 penny coins were not issued, whilst a 4 Shillings piece went into circulation. An 8 Shillings coin was subsequently struck in 1970. The Central Bank of The Gambia took over assets and liabilities of The Gambia Currency Board in 1971 and a new decimal currency was introduced to replace the Gambian pound. The new currency was the Dalasi with 1 dalasi being subdivided into 100 bututs. Again, the coins were minted by the Royal Mint and the notes were printed by Bradbury Wilkinson & Co. Ltd. Coins were introduced by The Gambia Currency Board on 18 February 1966 and