Halfpenny (British decimal coin) of new pence) alongside the new decimal coinage. The halfpenny coin's obverse featured the profile of Queen Elizabeth II; the reverse featured an image of St Edward's Crown. It was minted in bronze (like the 1p and 2p coins). It was the smallest decimal coin in both size and value. The size was in proportion to the 1p and 2p coins. It soon became Britain's least favourite coin. The Treasury had continued to argue that the halfpenny was important in the fight against inflation (preventing prices from being rounded up). The coin was demonetised and withdrawn from circulation in December
Coins of the Republic of Ireland Mint. The rising expense of minting coins necessitated the introduction of the twenty pence coin in 1986; the halfpenny coin was withdrawn at this time as inflation had reduced its buying power. The introduction of the Irish pound coin required the Decimal Currency Act, 1990 and this law provided for certain other matters including the issue of European Currency Unit (ECU) coins which were specifically stated not to be legal tender in the legislation, instead intended as collectors items. These ECU coins were issued in 50 ECU, 10 ECU and 5 ECU denominations, in gold, silver and silver respectively. These