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<p>[QUOTE=&quot;BadThad, post: 534915, member: 17261&quot;]Sure, find the purest stuff you can and run a residue test on it before using. Put some in glass container and let it evaporate, check for residue. Don&#039;t use finger nail polish remover! It contains ethyl acetate and will create problems.....like actually feeding the verdigris.</p><p>&nbsp;</p><p>Also, be aware acetone is flammable, so keep it away from heat and flame! It drys instantly so rinse, catch in a paper towel, pat dry and put it right into an Airtite without touching it. That should pretty well stop the reaction where it is.</p><p>&nbsp;</p><p>If you choose to attempt removal, on another note, there&#039;s a thick spot in there. I suspect either it&#039;s irremovable or, if you do remove it, there will be a &quot;divot&quot; under it. I&#039;d say probably best left alone as is, it&#039;s a nice coin.[/QUOTE]</p><p><br /></p>

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