Coins of the South African rand coins of the Republic were the following: The coins initially had the same size as the former South African coins. All except the and 1 cent coins were in silver. The previous South African farthing coin (¼d) and half-a-crown (s) were not continued in decimal currency. In addition, two bullion coins with denominations of 1 rand and 2 rand were issued, replacing the gold half-pound and pound coins introduced in 1952. Both the pound and the rand gold coins matched the specifications of the British half-sovereign and sovereign (minted, among others, at the Pretoria branch mint until 1932), including the
Optimum currency area Optimum currency area In economics, an optimum currency area (OCA), also known as an optimal currency region (OCR), is a geographical region in which it would maximize economic efficiency to have the entire region share a single currency. The underlying theory describes the optimal characteristics for the merger of currencies or the creation of a new currency. The theory is used often to argue whether or not a certain region is ready to become a currency union, one of the final stages in economic integration. An optimal currency area is often larger than a country. For instance, part of the