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<p>[QUOTE=&quot;Boss, post: 520092, member: 15110&quot;]I used isopropyl alcohol (rubbing alcohol)- ran out of acetone.&nbsp; Coin was totally immersed in plastic cup of mineral oil.&nbsp; Patted coin dry after several dippings in alcohol.&nbsp; And yes, I agree people jump all over coins and make bold claims.&nbsp; I have mixed multiple chemicals on low end problem coins, and I&#039;m not even sure what I did and I&#039;m pretty sure no one could have accurately predicted what I did.&nbsp; Mineral oil, then olive oil.then MS 70, heating- etc, just for my own educational purposes.&nbsp; Greg (a certified coin Doc as far as I can tell) on NGC boards has a good post on this,&nbsp; Try this stuff for yourself and come to you own conclusions.[/QUOTE]</p><p><br /></p>

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