Currency of Colombia peso was made .900 fine. The peso de oro was set at 1.612 g .900 fine (equal to the décimo de cóndor of 1867 and the peso of 1857). Copper was made legal tender to 50 centavos per transaction, altered in 1872 to 50 centavos for every 50 pesos in gold or silver (equivalent to 1% per transaction). A law of May 5, 1872 divided the peso de oro into 100 centavos. The fall in the world price of silver from 1872 on broke the 15.5 ratio. Gold coin was undervalued in Colombia and tended to disappear from circulation. Currency
History of Chinese currency system that was not backed by silver or gold. The currency issued by the Yuan was the world's first fiat currency, known as Chao. The Yuan government attempted to prohibit all transactions in or possession of silver or gold, which had to be turned over to the government. Inflation in 1260 caused the government to replace the existing paper currency with a new one in 1287, but inflation that resulted from undisciplined printing remained a problem for the Yuan court until the end of the Dynasty. The early Ming dynasty (, 1368–1644) also attempted to use paper currency in the