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<p>[QUOTE=&quot;Oldhoopster, post: 3558078, member: 84179&quot;]Copper loves to react with stuff in the environment and many reaction products (toning) start as thin layers on the surface.&nbsp; These layers bend the light passing through and you see the diff colors (think of a rainbow).&nbsp; The mint does not use &quot;sparklies&quot; in the minting process.&nbsp; The &quot;sparklies&quot; on your dime are just junk in the post mint organic material stuck to your dime.</p><p><br /></p><p>Once again, when you&#039;re checking out error-ref for collar clash,&nbsp; also look up misaligned die (MAD).&nbsp; That will help explain the diff between true off centered errors and what you&#039;re seeing.&nbsp; Hope this helps[/QUOTE]</p><p><br /></p>

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