Ottoman lira para denominations were struck in copper, the kuruş in silver and the lira in gold. The 1 para was discontinued in 1859, with the higher copper denominations ceasing production between 1863 and 1879. In 1899, billon 5 and 10 para were introduced, followed by nickel 5, 10, 20 and 40 kuruş in 1910. Gold coins continued to be minted after the abolition of the gold standard, even into the 1920s, but their value far exceeded the value of the equivalent denominations in paper currency. The central Ottoman Bank first issued paper currency Kaime in 1862, in the denomination of 200
Korean currency the reign of King Sejong. These coins had the inscription 朝鮮通寶 (Chosun Tongbo "Chosun currency"). The coins that were minted in the 17th century came out to be a success at last and as a result, 24 mints were established throughout Korea. Coinage formed a major part of the exchange system after this time. In 1633, "mun" was made the main currency of Korea and copper and bronze coins were issued denominated in this currency unit. It prevailed till 1892 when "yang" took over as the main currency. Yang was the first currency that used decimal system as it was