Rand Refinery to manufacture South African legal tender coins such as the world famous Krugerrand. All the gold used to manufacture the coins is supplied by Rand Refinery, who has been appointed the sole supplier of bullion Krugerrands to primary distributors both locally and internationally. In addition to its smelting and refining services Rand Refinery offers metallurgical, logistics and vault services. It acts as an agent for its precious metal depositing customers and its global markets business unit markets all the precious metal produced by the refinery. Rand Refinery Rand Refinery (Pty) Limited is the largest integrated single-site precious metals refining and
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