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<p>[QUOTE=&quot;GDJMSP, post: 3607302, member: 112&quot;]I&#039;m not disputing that Mike, I agree 100% on that count. There&#039;s lots and lots of copper coins with natural blue or a shade of blue toning. </p><p><br /></p><p>The only thing I&#039;m saying is that I&#039;ve personally never seen a copper coin that if MS70 was used on it - did not turn one shade of blue or another. Some have a purplish cast to them, but that&#039;s still a shade of blue.</p><p><br /></p><p>Could your experience, or anybody else&#039;s be different than mine - sure it could. All I can do is relate mine. </p><p><br /></p><p>And by the way, you can go back over a period of 20 years on both the NGC and PCGS forums and find the very same thing I&#039;m reporting here. That MS70 turns copper blue.[/QUOTE]</p><p><br /></p>

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