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
Commemorative coins of the United Kingdom the decimal era, crowns were converted to twenty-five pence. 50p and recent £2 Coins circulate normally and can be found in change. Usually about 5 million of each of these are the commemorative issue, the rest being of the standard design. Since 1982 all of these have also been produced as Sterling silver and 22 carat Gold proofs. Although the design of the £1 Coin changes every year, these are not considered to be commemoratives, as they do not mark an event or its anniversary. Twenty-five pence Non-circulated Circulated Commemorative coins of the United Kingdom Commemorative coins have been issued