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<p>[QUOTE=&quot;V. Kurt Bellman, post: 2551432, member: 71723&quot;]Since all nickels (with a WW2 exception) are 75% copper and only 25% nickel, AND since copper is a highly reactive metal in the company of moisture and a non-neutral pH, the VAST beyond VAST majority of dark nickels are going to be environmental damage. Creating a dark nickel is close to a no-brainer. That said, there do exist some improperly annealed nickels, and usually those will be found because their darkness is NOT accompanied by other indicia of damage. Yours does show other indicia.[/QUOTE]</p><p><br /></p>

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