2007 Nickel with a rusted metal deposit

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PapiBob
Posts: 13
Joined: Mon Jan 29, 2018 11:32 am

2007 Nickel with a rusted metal deposit

Post by PapiBob » Mon Feb 05, 2018 2:47 pm

Hi I've found this nickel with a strange metal deposit on the reverse side. At first, I tought it was somekind of welding residue (lead) that has been purposly deposited on the coin but since I can't remove it and it rust I have to find another explanation. Anybody has any idea? Thanks in advance for your answers

PapiBob
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coinguy
Posts: 327
Joined: Tue Aug 16, 2016 10:03 am

Re: 2007 Nickel with a rusted metal deposit

Post by coinguy » Mon Feb 05, 2018 3:55 pm

Not a metal deposit, it's corrosion.
You can see where the plating has bubbled and
broken exposing the steel core that has rusted.

PapiBob
Posts: 13
Joined: Mon Jan 29, 2018 11:32 am

Re: 2007 Nickel with a rusted metal deposit

Post by PapiBob » Mon Feb 05, 2018 4:58 pm

Would that be the samething with this one?
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coinguy
Posts: 327
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Re: 2007 Nickel with a rusted metal deposit

Post by coinguy » Mon Feb 05, 2018 6:19 pm

Similar, but this looks like verdigris.
That is when copper is attacked and turns it green or black.
Looks like the copper plating on that nickel has been exposed
and turned green/black.

PapiBob
Posts: 13
Joined: Mon Jan 29, 2018 11:32 am

Re: 2007 Nickel with a rusted metal deposit

Post by PapiBob » Mon Feb 05, 2018 6:28 pm

Thank you Coinguy,

PapiBob :D

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