Fourpence (British coin) Fourpence (British coin) The pre-decimal fourpence (4d), sometimes known as a groat (from Dutch "grootpennig" = "big penny") or fourpenny bit, was a coin worth one sixtieth of a pound sterling, or four pence. The coin was also known as a joey after the MP Joseph Hume, who spoke in favour of its introduction. It was a revival of the pre-Union coin. Before Decimal Day in 1971 there were two hundred and forty pence in one pound sterling. Twelve pence made a shilling, and twenty shillings made a pound. Values less than a pound were usually written in terms of
Ten shilling coin Day, being fifty new pence in value. Ten shilling coin The ten shilling (10s) () coin was a one-off commemorative coin issued in Ireland in 1966 to mark the 50th anniversary of the Easter Rising. Ten shillings was a subdivision of the pre-decimal Irish pound, worth of an Irish pound, making this the highest value coin in the pre-decimal system. The coin was 83.5% silver and 16.5% copper. It measured in diameter and weighed 18.144 grams, therefore containing of silver. The coin did not prove popular, and 1,270,000 of the two million produced were withdrawn and melted down. This unpopularity