Metrication in the United Kingdom that reported in 1818, and again in Parliament by Sir John Wrottesley in 1824. Another Royal Commission was set up 1838 by Chancellor of the Exchequer Thomas Spring Rice and it reported in 1841 that decimal coinage was required first. A third commission in 1853 advocated decimal coinage in the form £1 : 10 florins : 100 cents: 1000 mils. The first florins (one tenth of a pound sterling) were struck in 1849 as silver coins weighing and having a diameter of . An early supporter of the "Decimal Association" was the mathematician Augustus de Morgan whose articles supporting the
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