What replaced the ten shilling coin when the United Kingdom and the Republic of Ireland decimalised their currencies?
Fifty pence (Irish coin) The fifty pence (50p) (Irish: "caoga pingin" ) coin was a subdivision of the Irish pound. It was introduced in Ireland on 17 February 1970. It replaced the ten shilling coin when decimalised, and due to this conversion was introduced a year before Decimal Day in 1971.
Coins of the Manx pound The official coinage of the Isle of Man are denominated in Manx pounds. From 1971 to 2016, the coins were minted by Pobjoy Mint Limited.Since 2017, coins of the Isle of Man are minted by the Tower Mint.