Currency of Colombia Notes of a new design appeared in 1888 for 10 centavos and 1, 5, 10, 50, and 100 pesos, with 25 and 1000 added in 1895. During the civil war the government issued 28 new Banco Nacional note types and overprinted about 48 different private banknotes for circulation. Copper-nickel coin dated 1886–1902 Silver .666 fine dated 1897 or 1902 Silver .500 fine dated 1887–1888 Silver .835 fine dated 1889–1908 Peso oro = 100 Centavos Conversion: 1 peso oro = 100 paper pesos The conversion of paper into gold began 18 May 1905, at 100 paper pesos for one gold peso,
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.