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adrianN
10y ago
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Many countries have Aluminium coins, that's a very reactive metal.
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meric
10y ago
· 1 in thread
How long have they had them for?
adrianN
OP
10y ago
The 1 Yen coin exists since the fifties.
carlob
10y ago
But Aluminium is not that reactive once the surface has oxidized.
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