Coins of the pound sterling chronologically. All genuine UK coins are produced by the Royal Mint. The same coinage is used across the United Kingdom: unlike banknotes, local issues of coins are not produced for different parts of the UK. The pound coin until 2016 was produced in regional designs, but these circulate equally in all parts of the UK (see UK designs, below). Every year, newly minted coins are checked for size, weight, and composition at a Trial of the Pyx. Essentially the same procedure has been used since the 13th century. Assaying is now done by the Worshipful Company of Goldsmiths on behalf
Coins of the Republic of Ireland description of the state as the "Republic of Ireland" did not require any change in the name on coins issued after 1948. The Coinage Act, 1950 changed the law on coinage principally with the removal of silver from coins then in existence. The final piece of primary legislation for predecimal coins was the Coinage (Amendment) Act, 1966 which allowed for a ten shilling coin to be minted and circulated. The ten shilling was the only modern circulating Irish coin not to feature the harp, to incorporate edge lettering, and to depict an actual Irishman (Pádraig Pearse), and to depict a