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<p>[QUOTE=&quot;GDJMSP, post: 1284427, member: 112&quot;]No they don&#039;t. But they should. The reason they should is that in the first bath the acetone itself becomes contaminated by whatever was on the coin. The second bath, the same thing happens, but to a lesser degree. By the time the 3rd bath is over any contaminants should be totally removed from the coin.</p><p><br /></p><p><br /></p><p><br /></p><p>It depends on what exactly is on the coin and how much of it there is. The 1st bath can be anywhere from a few minutes to 24 hrs. When you remove the coin, that&#039;s what tells you if you need more time or not. Personally, I think 24 hrs is the best bet for the 1st bath. For the 2nd bath, maybe 5 minutes. For the 3rd bath, a quick dip and a swish around for a few seconds should do it.</p><p><br /></p><p><br /></p><p><br /></p><p>I say yes, definitely. Others will dispute that.</p><p><br /></p><p><br /></p><p><br /></p><p>I&#039;ve written out all of the things I mentioned above probably 50 times. I&#039;ll probably do it 50 more times.</p><p><br /></p><p><br /></p><p><br /></p><p>No. To begin with acetone will have no effect on verdigris. So don&#039;t even bother using it for that, it&#039;s a waste of time. Acetone should only used on coins that need to have it used on them. In other words, on coins that have some sort of contaminant on them. Typical contaminants can be tape residue, any of various types of glue, shellac and varnishes, fresh fingerprints (and only fresh fingerprints because if it has been there more than a couple of days it&#039;s not coming off), oils and grease, and sometimes ordinary dirt and grime. Other than that, forget about it because acetone isn&#039;t going to work.</p><p><br /></p><p>But some folks will tell you that they use acetone on every coin, regardless. These folks are in the minority among all collectors. Most will only use it as needed.</p><p><br /></p><p><br /></p><p><br /></p><p>Usually not. But if you&#039;ve been reading recent posts you&#039;ve seen the discussion about using acetone on copper coins. Most copper coins will probably not be affected at all, but some of them may turn weird colors. Even so, if the copper coin has something on it that needs to be removed, then by all means use the acetone.[/QUOTE]</p><p><br /></p>

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