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<p>[QUOTE=&quot;halfcent1793, post: 3443035, member: 86853&quot;]Interesting (and humorous) to see the various responses to a process that virtually every early copper specialist over the past 7 decades or more has followed successfully. Yes, you can brush too much, and yes, if the coin has been recolored, brushing may reveal the damage that was otherwise hidden. You should also be careful brushing coins with a lot of crud on them; the brush won’t scratch the coin, but the crud might. </p><p><br /></p><p>As far as TPGs not slabbing coppers that have been treated this way, I know for a fact that they do. Every early copper I’ve submitted had been treated in this way, and none have ever been rejected because of it. I wouldn’t leave a coin looking oily, but the procedure in the video is market acceptable for copper specialists and TPGs. Anyone who says otherwise is either mistaken, or perhaps doesn’t understand the procedure.[/QUOTE]</p><p><br /></p>

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