Currency of Colombia exchange. The notes were never issued (proofs are known). Copper coin dated 1847–1848 The copper coins were rejected by the public, who immediately exchanged them for silver, so they were recalled and melted down. Silver coin dated 1847–1853 .666 fine .900 fine Gold coin .900 fine dated 1848–1853 New machinery for the mints of Bogotá and Popoyán arrived in 1848 and the first gold coins conforming to the 1846 law were put into circulation on 14 February 1849. Peso (Granadino) = 10 Décimos = 100 Centavos (silver) Cóndor = 10 Pesos (gold) The monetary law of 30 May 1853 abolished
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