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<p>[QUOTE=&quot;Kasia, post: 1365473, member: 31533&quot;]Actually, I would think that a coin that had an eraser applied to it could be &#039;saved&#039; simply by carrying it around in your pocket and sometimes using it as your &#039;worry stone&#039; or just taking it out and rubbing it for good luck. The friction caused by the movement of your fingers on it would at some point &#039;naturally&#039; wear down the spots where the eraser had been and so the cleaning by eraser would no longer be visible, even with magnification. The fact that hands have oils will of course help your cause, as will other coins in your pocket that will jingle against it. Then the coin will be perfectly acceptable as a coin to trade in. The only downside is that the grade will probably be a good 20 points (or more) on the sheldon scale lower. So if you had a AU or XF coin to begin with, you would be lucky to have a VF20 when you were done. If it was a VF 20 or 30 to start, then maybe you would end up with a F-12. So probably an eraser on a coin is not totally bad, since being low tech, the force you can naturally apply to the coin with the eraser is generally not strong enough to deeply break up the surface of the coin. So having it wear down &#039;naturally&#039; to the point below that is feasable, IMO.</p><p><br /></p><p>But I do think you are wasting your time this way, because to &#039;save&#039; the coin from your efforts then takes much time and effort to wear it down in a natural way. I doubt that that time and effort is worth it for anyone, when the value can be more just by not doing it (see Newhart video, above, labeled &quot;stop it&quot;) and by putting the time and effort that it would take to save it into a job or something else that actually pays money.[/QUOTE]</p><p><br /></p>

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