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<p>[QUOTE=&quot;Eduard, post: 491235, member: 8959&quot;]Like most people, i guess, i have no trouble spotting really obvious cleaning, specially of silver coins. Unnatural sheen, hairlines from harsh cleaning, overdipping, etc i can detect quite easily.</p><p><br /></p><p>I have more problems when the cleaning is more subtle: i have some coins in my collection which i would swear are naturally toned, with continuous, or semi continuous hues and tones, BUT which others may reject as cleaned.</p><p><br /></p><p>Another example: there are some coins in my collection which have been properly slabbed (not NET or DETAILS grades), and in my opinion the toning appears unnatural.</p><p>Case in point is this Anacs-slabbed quarter. It is slabbed by ANACS (one of the &quot;good&quot; services) as AU50, yet the toning has an unnatural, (in my opinion) glossy blue sheen which is not appealing. </p><p>&nbsp; </p><p>On the other hand i have an 1874-S quarter also AU50, with what seems natural unbroken toning, but slabbed (by Anacs) as cleaned, net EF40.</p><p>&nbsp;</p><p>I find it also very interesting that out of the 40 or so silver coins which i have found while metal detecting, some of which have obviously been buried for almost 2000 years, about 1/3 have come out of the earth looking shiny and bright. No toned at all, or only very very lightly. This demonstates that a coin can be untoned/bright even after prolonged environmental exposure, and be totally original. </p><p><br /></p><p>It would be interesting to know your thoughts on this issue.</p><p><br /></p><p>Regards,</p><p>Eduard[/QUOTE]</p><p><br /></p>

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