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<p>[QUOTE=&quot;HawkeEye, post: 3443213, member: 86305&quot;][ATTACH=full]914275[/ATTACH] </p><p>I cannot remember if I have posted this one before, but it is a good example of what I think is <b><u>NOT</u></b> a toned coin.&nbsp; When I purchased it I had only the pictures to go on and it had a lot of appeal.&nbsp; But I have now had it under a microscope and determined that this probably does not fit the real definition of toning, so it is a good teaching tool.</p><p><br /></p><p>True toning is supposed to come from thin film interference with light reflecting from a coin&#039;s surface.&nbsp; This film is only microns thick and should not be visible as a substance.</p><p>[ATTACH=full]914276[/ATTACH] </p><p>But what is here is thick and almost like the coin was stored with or next to something that spilled onto it and stuck like glue.&nbsp; The Stone Mountain coins were turned over to the association for storage and sale and storage conditions were obviously less than desirable, thus the large number of discolored coins on the market.</p><p><br /></p><p>I am surprised that PCGS gave this one an MS64 grade and not an N grade, but I am glad they didn&#039;t because it is still a neat coin.&nbsp; This is an example of a DDR coin with some doubling of the two A&#039;s at the bottom of the reverse, and a good study coin.</p><p><br /></p><p>All colored coins are not toned coins! <a href="http://www.stonemountainhalf.com/04141349_64.html" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.stonemountainhalf.com/04141349_64.html" rel="nofollow">http://www.stonemountainhalf.com/04141349_64.html</a>[/QUOTE]</p><p><br /></p>

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