Australian pound became $1 and 1s became 10c. The conversion rate was problematic for the pre-decimal penny since the shilling was divided into twelve pence. An exchange rate of $2.40:£1 would have allowed for accurate conversion down to the penny, with one penny becoming one cent; however, the Government thought it more important that the new currency unit be more valuable than the United States dollar which it would not have been under a 2.4:1 ratio. Amounts less than a shilling were converted as follows: In 1855, gold full and half sovereigns (worth respectively one pound sterling and ten shillings) were first
Nigerian pound Nigerian pound The Nigerian pound was the currency of Nigeria between 1907 and 1973. Until 1958, Nigeria used the British West African pound, after which it issued its own currency. The pound was subdivided into 20 shillings, each of 12 pence. The Nigerian pound (which was at parity with the British pound with easy convertibility) was replaced with the introduction in 1973 of the decimal "naira" at a rate of 1 pound = 2 naira. This made Nigeria the last country to abandon the £sd currency system. Coins were issued in 1959 in denominations of ½, 1, 3 and 6