When the franc was revalued in 1960, Monaco issued nickel 1 franc and silver 5 francs. In 1962, aluminium-bronze 10, 20 and 50 centimes coins were added, followed by nickel ​1⁄2 franc coins in 1965, nickel-clad cupronickel 5 francs in 1971, nickel-brass 10 francs in 1974, stainless steel 1 centime and aluminium-bronze 5 centimes in 1976, bi-metallic 10 francs in 1989, and tri-metallic 20 francs 1992, respectively. All of these coins matched the sizes and compositions of corresponding French coins.