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<p>[QUOTE=&quot;GDJMSP, post: 1284223, member: 112&quot;]Jim I&#039;m not saying to not use acetone on copper coins. In the past 2 days alone I&#039;ve made 2 or 3 posts where I have told people to do just that - to dip their copper coins in acetone. What I am saying is that when you tell people that acetone is 100% safe to use on copper coins, you are doing those people a disservice. What anyone should be doing is saying to go ahead and use the acetone on copper, but keep in mind that there is a risk in doing so, for some of those coins may turn color. Or, they may not. People just need to be made aware - that&#039;s all.</p><p><br /></p><p>Consider if you will, the product MS70. It&#039;s a great product, it does a wonderful job of removing haze and unsightliness on silver, nickel, gold and clad coins. But dip an MS copper coin in the stuff and a lot of the time the coin turns blue. Dip a circulated copper coin in it and there&#039;s usually no effect. </p><p><br /></p><p>Copper is by far the most reactive of all the common coinage metals we have. It&#039;ll react with minute amounts of almost anything. It can be contaminants in the air, it can be a bit too much humidity, body oils, and pretty much any chemical known to man. Everybody knows this and nobody disputes it - ever. The only time the debate ever comes up is when acetone is the subject.</p><p><br /></p><p>You say you&#039;ve never seen it happen. OK, I can believe that. I can believe it because for years I never saw it happen either. But, I had heard many others claim that it happened. And just like you, I was skeptical. Then I did see it happen. And when you see things happen with your own eyes you tend to believe it. </p><p><br /></p><p>Now do you honestly believe that I&#039;d sit here and lie about it ? Why would I do such a thing, what could I possibly have to gain by lying ? You and everybody else on this forum know for a fact that I have no problem admitting that I&#039;m wrong about something - when I&#039;m wrong. You&#039;ve seen me do it numerous times. So it&#039;s definitely not an ego thing because I don&#039;t have a problem with being wrong - and admitting it.</p><p><br /></p><p>What it is is you not being willing to believe me because you haven&#039;t seen it happen. Well Jim, I&#039;d wager that there&#039;s a lot of things that you haven&#039;t seen with your own eyes, but you still believe them to be true. This is one that should be added to that list. And not only for your own benefit, but for the benefit of the people you advise as well.[/QUOTE]</p><p><br /></p>

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