Cuban peso encourage hard currency to enter the economy. The US dollar became the currency used to purchase some non-essential goods and services, such as cosmetics, and even staple kinds of food and drink. In 1994, the convertible peso was introduced at a par with the dollar. On November 8, 2004, the Cuban government withdrew the US dollar from circulation, citing the need to retaliate against further US sanctions. In 1897 and 1898, pesos were issued by revolutionary forces promoting independence. In 1915, cupro-nickel 1, 2 and 5 centavos, silver 10, 20 and 40 centavos and 1 peso, and gold 1, 2,
Currency of Colombia to establish Banco Nacional, which began operations in January 1881. A decree of 24 March 1885 authorized coins of nickel and 0.500 silver, and authorized Banco Nacional to issue notes for 10 & 20 centavos. The cost of the civil war of 1885 was covered by paper money, circulation increasing by 89%. Banco Nacional was unable to cover its notes in gold coin, but the Government compromised on suspension by paying notes in silver with the funds received from negotiating the Panama Canal. "El Banco Nacional de los Estados Unidos de Colombia" was responsible for the national note issue 1880–1885.