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 pound sterling and have ceased to be legal tender. <nowiki>* The specifications and dates of 5p, 10p, and 50p coins refer to the larger sizes issued in 1968 and 1969 respectively. † The specification refers to the round coin issued from 1983–2016. Although obsolete, this coin is still redeemable at banks and still legal tender on the Isle of Man.</nowiki> All modern British coins feature a profile of the current monarch's head on the obverse. There has been only one monarch since decimalisation, Queen Elizabeth II, so her head appears on all decimal coins, facing to the right (see also Monarch's head,