Gold standard and gold currency are connected terms in the history of money (see Money, theory of), but with different definitions. A gold currency exists when the unit of currency in a country (e.g. pound or mark) is expressed as a fixed amount of gold. This can take two forms: circulating gold currency and gold exchange. In the first case, gold coinage (Coin) predominates as the main currency in circulation, which otherwise consists of silver token coinage (with limited term of valid…