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<p>[QUOTE=&quot;claycad, post: 1173108, member: 17987&quot;]Is there a way to tell if the rainbow toning on a silver coins is faked? I recently viewed a youtube video about how to anodize silver and you can basically change the color of silver based on how long you put a current through it while it is soaking in a chemical solution. You can even give it a rainbow effect of several different rainbow colors. Since rainbow toned coins often sell for a premium I wondered if there would be a way to spot a fake rainbow toned coin or if it was natural toning caused by age? If so does this actually require testing the coin somehow or could you tell a fake from a high quality photo?</p><p><br /></p><p>Here is the link to the youtube video so you can see the process and the results. You will probably have to watch a advertisement before the video start, I did.[/QUOTE]</p><p><br /></p>

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