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<p>[QUOTE=&quot;b.j., post: 106228, member: 4788&quot;]As someone who works in the Chemistry area, a few words of advice.</p><p><br /></p><p>1. Don&#039;t even think of using vinegar (acetic acid) with or without baking soda. This will affect the surface layer of the coin and most experts can easily see that this was done. This would significantly degrade the coin&#039;s condition in the eyes of most collectors.</p><p>2. Acetone, MEK and Xylene all have hazards and should be used in well ventilated areas. Be sure there are no other ingredients (such as using finger nail polish remover which is primarily acetone, but has other ingredients) that may contaminate surfaces. Most gasolines would have these types of concerns.</p><p><br /></p><p>If you must clean, I would stick with a dip in acetone followed by distilled water rinse and air dry.[/QUOTE]</p><p><br /></p>

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