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<p>[QUOTE=&quot;mrh757, post: 160295, member: 2998&quot;]I use a method of NDT to check my coins. all metals have a IACS # asigned to them- that is how good they conduct electricty. I dont even touch the coin and I can tell you if it is made out of lead or plated. the coin just has to enter the field of electricy and I have the #, now as far as counterfits on the true metals I leave that up to ngc,pcgs,anacs[/QUOTE]</p><p><br /></p>

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