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<p>[QUOTE=&quot;nuMRmatist, post: 2199761, member: 33012&quot;]Stamped metal retains BELOW IT&#039;S SURFACE, into the molecular latticework, what is stamped thereon. </p><p><br /></p><p>Crime forensics can do a DESTRUCTIVE test with acid, that will raise a serial number, after being ground off FLAT.</p><p><br /></p><p>I&#039;m sure there&#039;s a radiographic method that will ID the coin (if a coin). You&#039;d probably have to know someone; I don&#039;t know if you could pay any facility - although the graders might be able to get it done for a tidy sum......[/QUOTE]</p><p><br /></p>

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