Irish pound The number of pence in the Irish pound was redefined from 240 to 100, with the penny symbol changing from "d" to "p". The pound itself was not revalued by this act and therefore pound banknotes were unaffected, although the 10 shilling note was replaced by the 50p coin. The new 5 pence coin correlated with the old 1 shilling coin, and the new 10 pence coin correlated with the old 2 shilling coin. New coins were issued of the same dimensions and materials as the corresponding new British coins. The Decimal Currency Act, 1970 made additional provisions for the
Pound sterling in the South Atlantic and the Antarctic Islands used sterling currency as in the United Kingdom until 1899 when it began to issue its own banknotes at par with the pound sterling. In 1974, this territory also began to issue its own coinage, similar to the coinage of the United Kingdom but with different designs on the reverse. South Georgia and the South Sandwich Islands has a very small population, with no permanent residents. Government officials there use UK currency. Although nominally British, the British Antarctic Territory is subject to international agreements which limit British authority there and allow other countries to maintain scientific research bases there.