Coins of the pound sterling coins' designs. As of 31 March 2016, there were an estimated 30.14 billion coins circulating in the United Kingdom. The first decimal coins were circulated in 1968. These were the five pence (5p) and ten pence (10p), and had values of one shilling (1/-) and two shillings (2/-), respectively, under the pre-decimal £sd system. The decimal coins are minted in copper-plated steel (previously bronze), nickel-plated steel, cupronickel and nickel-brass. The two-pound coins, and, as from 28 March 2017 the new one-pound coins, are bimetallic. The coins are discs, except for the twenty pence and fifty pence pieces, both of which
Coins of the Republic of Ireland coins used the Irish red deer design from the Irish pound coin with a mountain relief in the background and other notable differences such as the 12 stars of the European Flag surrounding the harp, quite similar to the Irish euro coins. The coins issued under the Decimal Currency Acts were finally withdrawn from circulation in 2002 by the Irish Pound Coinage (Calling In) (No. 2) Order, 2001 which revoked an earlier similar order; the date was set for 10 February 2002. The introduction of the euro was overseen by the "Euro Changeover Board of Ireland" which was a special