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
Siege money did not have ready access to official coinage minted by the civil authorities (see Civil War mints). The issuing of money during sieges is not restricted to that period; for example during the Siege of Khartoum (1884–1885) currency in the form of paper money was issued by Governor-General of the Sudan, British Major-General Charles George Gordon. During the Eighty Years War a number of towns and cities issued their own currency (money of necessity), for example during the siege of Leyden (1574), the authorities issued diamond (square) silver coinage struck with a circular die. When silver ran out they used