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<p>[QUOTE=&quot;GDJMSP, post: 25225037, member: 112&quot;]You need to understand something else. When it is done correctly, and by someone who knows what they are doing, it is impossible for anyone, regardless of their level of knowledge, or what scientific instruments they have available to them, to differentiate between natural toning and artificial toning. That&#039;s because both natural and artificial can and often do have exactly the same characteristics.</p><p><br /></p><p>That said, when it is done by someone who does not know what they are doing, artificial toning is usually very obvious and easily identified as such by just about anyone who knows coins.[/QUOTE]</p><p><br /></p>

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