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alloy from which the middle three denominations of euro coins, 50 cent, 20 cent, and 10 cent coins are made. It has also been in use for a number of years in other countries.
It contains no gold, which is likely to lead to a number of misleading trade descriptions, its composition being:
| Metal | Percentage |
| Copper (Cu) | 89% |
| Aluminium (Al) | 5% |
| Zinc (Zn) | 5% |
| Tin (Sn) | 1% |