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  • You might be surprised at how few copper coins are made from copper - try running a magnet across your loose change...
    ... not that ants carry magnets?

  • "Copper" 1p and 2p coins do contain copper, but the bulk of the material is Nickel, which is harder and (AFAIK) cheaper.

  • I think many are now copper plated steel?
    Probably makes little difference to ants!

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