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Aluminum coins

Started by Star City Homer,

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Star City Homer

Star City Homer

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I asked this question in the conservation forum (before I saw this one!). I have some interesting modern (1940s-1960s) aluminum coins. A few have that haze/oxidation that can occur on the aluminums (even still in the mint packaging). Is this something that can be conserved? Sorry I don't have pictures, though I could link to a similar example on ebay if needed.

 

Thank you,

 

Cathy

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CHRISS

CHRISS

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The answer your question would depend on whether the problem is haze or oxidation. Haze on an aluminum coin we should be able to remove. Oxidation, however, is something that we would likely not be able to remove. We could take steps to reduce the corrosion on an aluminum coin and prevent it from becoming worse, but for actually removing evidence of it completely may not be possible. Every coin is different. If you have several coins you are considering for NCS conservation, I would recommend starting with a few coins representative of the problems all of your coins face and see how these turn out.

 

Chris, NCS

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