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<p>[QUOTE=&quot;GDJMSP, post: 109195, member: 112&quot;]This is always a tough discussion. There are a great many knowledgeable people who will swear that acetone will not harm silver, gold and clad coins. Most knowledgeable people that I have discussed this with strongly recommend that acetone NOT be used on copper coins - it can make them turn all sorts of colors.</p><p><br /></p><p>That being said, I would never use acetone myself on any coin - unless I KNEW it had PVC on it. I have seen silver coins dipped in acetone and yes I could tell that it was done. And yes I believe that it was done correctly. So personally, I disagree with those that say dipping a coin in acetone is harmless. But you will find far more people that disagree with me than you will those that do agree.</p><p><br /></p><p>But if a coin has PVC on it, be it silver, gold, copper or clad then that coin HAS to be dipped in order to prevent further damage.</p><p><br /></p><p>Basically Marianne I&#039;d say you have a good plan as to your methods. The only part I disagree with is about dipping all the coins regardless. I would suggest you take a few coins to a dealer or somebody that knows coins well and ask them about the PVC. Take a few that you are fairly certain have it, take a few you question, and take a few that you think don&#039;t have anything. Explain that you are wanting to know if the coins are contaminated or not. Once they show you the difference, you&#039;ll be able to recognize it yourself on the rest. Dip those that have it and that are questionable. But those that don&#039;t appear to have any PVC - leave them alone for the time being. Keep an eye on them and if the appearance changes - you can always dip them then. That way there is no harm done - just in case I&#039;m right <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie2" alt=";)" unselectable="on" unselectable="on" />[/QUOTE]</p><p><br /></p>

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