Currency of Uruguay this period, but copper coins of the same design, denomination, and weight as those of 1854–1855 were minted at Lyon, with the date 1857: 5c (0·576 million), 20c (0·576 million), 40c (1·08 million). Doblón de oro = 10 Pesos plata = 1000 Centésimos (1863–1868) Peso = 100 Centésimos The National Currency Decree of 23 June 1862 (with effect from 1 January 1863) made the gold doblón and the silver peso the national currency ("moneda nacional"). It defined the doblón de oro (which replaced the onza de oro) as weighing 16·97 g, 0·917 fine (one gold peso equivalent to 1556·149 mg
Gold standard to Congress the value of a decimal system. This system would also apply to monies in the United States. The question was what type of standard: gold, silver or both. The United States adopted a silver standard based on the Spanish milled dollar in 1785. From 1860 to 1871 various attempts to resurrect bi-metallic standards were made, including one based on the gold and silver franc; however, with the rapid influx of silver from new deposits, the expectation of scarce silver ended. The interaction between central banking and currency basis formed the primary source of monetary instability during this period.