Decimal Day and 10p coin equivalents, co-existed in circulation as valid currency until the early 1990s. In theory this included coins dating back to 1816; in practice the oldest were dated 1947, when these coins stopped containing silver. The coins were withdrawn when smaller 5p and 10p coins were introduced in 1990 and 1992 respectively. The face value of Maundy money coins was maintained, increasing all their face values by a factor of 2.4, as the coins continued to be legal tender as new pence. The numismatic value of each coin, though, greatly exceeds face value. The decimal halfpenny (p), introduced in
Coins of British India mohurs were proof issues. Varieties with both the younger and mature busts exist. Currency and proof issues of the 1862 dated rupee coins have a number of different obverse and reverse die varieties, which are helpful in identification of the mint. The design of the coin, however, remained largely unchanged. From 1863 till 1875, the Bombay mint introduced an unusual system of dots to date the coins. These dots occur on the reverse below the date, above the word 'ONE', or in both positions. From 1874, this practice was halted and coins began to be dated continuously. From this development,