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
Indian rupee "athanni"; 50 naye paise equalled 8 old annas) and 1-rupee coins were nickel. In 1964, the word "naya(e)" was removed from all coins. Between 1957 and 1967, aluminium one-, two-, three-, five- and ten-paise coins were introduced. In 1968 nickel-brass 20-paise coins were introduced, and replaced by aluminium coins in 1982. Between 1972 and 1975, cupro-nickel replaced nickel in the 25- and 50-paise and the 1-rupee coins; in 1982, cupro-nickel two-rupee coins were introduced. In 1988 stainless steel 10-, 25- and 50-paise coins were introduced, followed by 1- and 5-rupee coins in 1992. Five-rupee coins, made from brass, are being