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<p>[QUOTE=&quot;Victor_Clark, post: 26145260, member: 10613&quot;]The green is called verdigris and it can be removed; but you would most likely end up with no patina; which might leave you with a very ugly coin. If you are not confident in your ability to clean it; it is best to leave it as is. If you are determined to try, you can start with a weak solution of sodium bicarbonate (baking soda) with frequent checks involving scrubbing with something like a toothbrush.[/QUOTE]</p><p><br /></p>

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