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
Halfpenny (British pre-decimal coin) of the Golden Hind appeared. Like all British coinage, it bore the portrait of the monarch on the obverse. "Halfpenny" was colloquially written "ha’penny", and "d" was spoken as "a penny ha’penny" or "three ha'pence" . Before Decimal Day in 1971 there were 240 pence in one pound sterling. Twelve pence made a shilling, and twenty shillings made a pound. Values less than a pound were usually written in terms of shillings and pence, e.g. 42 pence would be three shillings and six pence (3/6), pronounced "three and six", whereas 3 shillings even would be "3s" or, on a sign