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<p>[QUOTE=&quot;Detecto92, post: 1447121, member: 75105&quot;]Are their better products that will remove Verdigris? </p><p><br /></p><p>My take on verdigris from what I learned is that it&#039;s caused by &quot;acidic elements&quot;.</p><p><br /></p><p>Which does not make any sense to me,<b> where are people storing these coins? </b>I have some 1998 cents that have be stored in 2x2s since day 1 and still look fine.</p><p><br /></p><p>I know all verdigris can&#039;t be removed, because once it gets going pretty good, it starts to pit the metal itself. It&#039;s kind of like rust on steel. A little surface rust can be removed with no damage, but serious rust will leave pitting in the metal, and even holes ( I believe copper can rot out too). I&#039;ve used mechanical cleaning process on damaged copper coins (bent/holed) and found pitting under areas of heavy verdigris.</p><p><br /></p><p>Also I&#039;ve been learning to not oil coins with organic oils such as olive or soybean....because I&#039;ve noticed that the patina on some coppers brightens, due to the slightly acidic makeup of these oils. It&#039;s like putting a copper coin in ketchup.</p><p><br /></p><p><br /></p><p>Now, while we are talking about different conservation chemicals, a &quot;old school coin collector&quot; I know only uses Vaseline on coins. What good benefit would this have, if any?[/QUOTE]</p><p><br /></p>

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