In 1912, production of gold coins ceased, whilst production of the 5 bolívares ended in 1936. In 1965, nickel replaced silver in the 25 and 50 céntimos, with the same happening to the 1 and 2 bolívares in 1967. In 1971, cupro-nickel 10 céntimo coins were issued, the céntimos having last been issued in 1958. A nickel 5 bolívares was introduced in 1973. Clad steel (first copper, then nickel and cupro-nickel) was used for the 5 céntimos from 1974. Nickel clad steel was introduced for all denominations from 25 céntimos up to 5 bolívares in 1989.