Halfpenny (Irish pre-decimal coin)

The halfpenny (1⁄2d) (Irish: leathphingin) coin was the second smallest denomination of the pre-decimal Irish pound, worth 1⁄480 of a pound or 1⁄24 of a shilling. First issued in 1928 it ceased to be legal tender on 1 August 1969. The coin measured 1.005 inches (25.5 mm) in diameter and weighed 5.66990 grams. The bronze coin was made up of 95.5% copper, 3% tin and 1.5% zinc. This was identical to the British halfpenny as both countries' pounds were pegged until 1979.

Halfpenny (Irish pre-decimal coin)

The halfpenny (1⁄2d) (Irish: leathphingin) coin was the second smallest denomination of the pre-decimal Irish pound, worth 1⁄480 of a pound or 1⁄24 of a shilling. First issued in 1928 it ceased to be legal tender on 1 August 1969. The coin measured 1.005 inches (25.5 mm) in diameter and weighed 5.66990 grams. The bronze coin was made up of 95.5% copper, 3% tin and 1.5% zinc. This was identical to the British halfpenny as both countries' pounds were pegged until 1979.