Salvadoran colón of credit and demand of currency, and was also conferred the exclusive power to issue monetary kind. Because the colón replaced the peso at par, 1 and 5 centavos coins issued before 1919 continued to be issued without design change after the colón's introduction. In 1921, cupro-nickel 10 centavos were introduced, followed by silver 25 centavos in 1943. In 1953, silver 50 centavos were introduced alongside smaller silver 25 centavos. Both were replaced by nickel coins in 1970. In 1974, nickel-brass 2 and 3 centavos coins were introduced, followed by 1 colón coins in 1984. On August 31, 1934, the
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.