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<p>[QUOTE=&quot;scottishmoney, post: 718255, member: 12789&quot;]The reddish toning is more from the copper, the nickels are actually 75% copper - which is ironic given the fact that nickel as a metal only constitutes 25% of the composition.</p><p><br /></p><p>I have picked up nickels from the Potomac river that have similar toning, something inorganic like salts or something cause that sort of toning.</p><p><br /></p><p>But it is unusual to have some of it not affected by the toning, but not impossible.&nbsp; Could have sat in a pile somewhere for a very long time which is why it is irregularly toned.[/QUOTE]</p><p><br /></p>

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