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<p>[QUOTE=&quot;Lutok, post: 2979129, member: 88908&quot;][ATTACH=full]732653[/ATTACH] </p><p><br /></p><p>I first noticed this on an extremely bright white coin that I purchased recently, then I noticed that they all have this to some degree or another; a &quot;circle&quot; that goes through the devices as well. I thought it might be a raised or depressed area, but when I drew a toothpick across it I could not detect any elevation difference. I am thinking it is related to metal flow somehow, but I don&#039;t quite see what is going on.</p><p><br /></p><p>Can anyone shed some light on this? Thanks</p><p><br /></p><p>LS[/QUOTE]</p><p><br /></p>

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