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<p>[QUOTE=&quot;-jeffB, post: 5284371, member: 27832&quot;]As I understand it, most hazing on proofs is actually toning, not organic deposits, so acetone is unlikely to help. <i>Careful</i> dipping (in a chemical dip that removes toning) can take care of it, but you&#039;d want to practice quite a lot with coins that aren&#039;t valuable. (Note that I&#039;m repeating what I&#039;ve read here, not speaking from personal experience.)</p><p><br /></p><p>If you <i>are</i> using acetone, use three separate containers. Soak in the first one, fish it out, and put it in the second. Fish it out of that, put it in the third, then take it out and let it dry on edge.</p><p><br /></p><p>The first acetone bath will have removed nearly all the organic stuff from the coin, and when you pick it out, that bath will remove most of the surface oils from your fingers. The second bath will greatly dilute whatever&#039;s left on the coin or your fingers, and the third will dilute it even more. At that point, even if you let a drop of it dry on the coin, it probably won&#039;t leave a perceptible mark -- but you won&#039;t have to do that, because acetone has such low surface tension that it&#039;ll run right off.[/QUOTE]</p><p><br /></p>

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