Currency of Uruguay issued by Banco Nacional of Buenos Aires for Provincia Oriental ("Eastern Province", i.e., Uruguay). All parties to the conflict used the Spanish dollar (Spanish "peso", Portuguese " patacão"), which circulated with a value of 8 Spanish reales or 960 Brazilian reis. Circulation consisted of coins from mints in Mexico, Potosí, Brazil, and Buenos Aires. During the turbulent period of conflict preceding independence, a considerable amount of poor-quality copper coin from both Buenos Aires and Brazil came into circulation. Peso (Patacón) = 8 Reales = 800 Centésimos de real (centavos) Onza de oro = 16 Pesos In 1828, Uruguay's currency was
Currency union Currency union A currency union (also known as monetary union) involves two or more states sharing the same currency without them necessarily having any further integration (such as an economic and monetary union, which would have, in addition, a customs union and a single market). Three types of currency unions exist: The theory of the optimal currency area addresses the question of how to determine what geographical regions should share a currency in order to maximize economic efficiency. Note: Every customs and monetary union and economic and monetary union also has a currency union. Additionally the autonomous and dependent territories,