Irish pound introduced UK versions. When the UK 5p and 10p coins were reduced in size, the Irish followed suit, but the new Irish 10p was smaller than the new UK version introduced in 1992 and the new Irish 5p was slightly larger than the UK version introduced in 1990. The Irish 50p was never reduced in size (as it had been in the UK in 1997). 31 December 1998, the exchange rates between the European Currency Unit and the Irish pound and 10 other EMS currencies (all but the pound sterling, the Swedish krona and the Danish krone) were fixed. The
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