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
Coins of the pound sterling abbreviation for the old penny, d, was derived from the Roman "denarius", and the abbreviation for the shilling, s, from the Roman "solidus". The shilling was also denoted by the slash symbol, also called a solidus for this reason, which was originally an adaptation of the long s. The symbol "£", for the pound, is derived from the first letter of the Latin word for pound, "libra". A similar pre-decimal system operated in France, also based on the Roman currency, consisting of the "livre" (L), "sol" or "sou" (s) and "denier" (d). Until 1816 another similar system was used in