British West Africa was an administrative grouping of the four former British West Africa colonies of Gambia, Sierra Leone, Nigeria and Gold Coast (now Ghana). All are now independent republics and members of the British Commonwealth of Nations. These four colonies were supplied with a common currency by the West African Currency Board from 1907 through 1962. ,Also see Gambia, Ghana, Nigeria and Sierra Leone for related currency and for individual statistics and history.,, Rulers:,,, ,British to 1952,, Monetary System:,,, ,1 Shilling = 12 Pence,, ,1 Pound = 20 Shillings,,