Decimal Day three of the six new coins. Small booklets were made available containing some or all of the new denominations. The old halfpenny was withdrawn from circulation on 31 July 1969, and the half-crown (2s 6d) followed on 31 December to ease the transition. (The farthing had last been minted in 1956 and had ceased to be legal tender in 1960.) There was a substantial publicity campaign in the weeks before Decimalisation Day, including a song by Max Bygraves called "Decimalisation". The BBC broadcast a series of five-minute programmes, "Decimal Five", to which The Scaffold contributed some specially written tunes. ITV
Penny (Irish pre-decimal coin) Penny (Irish pre-decimal coin) The penny (1d) () coin was the third smallest denomination of the pre-decimal Irish pound, worth of a pound or of a shilling. To express an amount, penny was abbreviated to "d", e.g. 1d, from the Roman "denarius". It was introduced in 1928 to replace its British counterpart, used when all of Ireland was a constituent country of the United Kingdom. The last year of minting was 1968 and it ceased to be legal tender on 31 December 1971. The coin measured in diameter and weighed 9.45 grams. The bronze coin was made up of 95.5%