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<p>[QUOTE=&quot;beef1020, post: 1246879, member: 24544&quot;]I disagree here, there is not a fine line being using xylol and a q-tip to remove built up dirt/wax/crud on the devices of cents vs. soaking them in an acid and using a SOS pad on them.&nbsp; People that don&#039;t know what they are doing should not touch coins, on the other hand simply removing dirt/crud from coins with an organic solvent which can not react with the patina on an old coin is not rocket science.</p><p><br /></p><p>If you are talking about mint state coins then fine, leave them alone.&nbsp; But for almost any circulated copper, and someone mentioned ancients, it&#039;s almost always advisable to clean debris from the devices.&nbsp; If you don&#039;t the coin will continue to deteriorate and corrode where grim is present.</p><p><br /></p><p>The next time I get a coin with dirt/wax built up I will do a little photo tutorial on how to clean them up without doing damage to the surface of the coin.&nbsp; I did one today but did not think to post pictures.&nbsp; Last point, keep in mind the termonology on the grading companies is &#039;Harshly cleaned&#039; not just cleaned.&nbsp; There is a huge difference.[/QUOTE]</p><p><br /></p>

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