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<p>[QUOTE=&quot;BadThad, post: 569531, member: 17261&quot;]This first coin would be an excellent candidate for VERDI-GONE™. The second coin is already a &quot;goner&quot; in my eyes. It appears to already have been harshly cleaned, the surfaces would not stand-up to any TGP IMO. The verdigris appears to be the carbonate type and it&#039;s probably pulled a lot of copper from the surface. Removal would likely result in some pits.</p><p>&nbsp;</p><p>Let me clear-up something, VERDI-GONE™ is not a cleaner. It contains no cleaners or solvents, the active ingredient is designed to only react with the verdigris. When used as directed, the original patina will generally be maintained.</p><p>&nbsp;</p><p>Also, I don&#039;t ever recommend rubbing the surface of any coin, especially with a cloth, that will damage the surface permanently. The other products mentioned in this post are <b>cleaners</b>. While they may remove some of the verdigris (I&#039;ve never tried any of them), they will also remove the patina causing permanent damage to the coin. That&#039;s the whole reason I invented VERDI-GONE™, there&#039;s nothing like it on the market and the &quot;home made&quot; removers from harsh lemon juice and vinegar to olive oil will also change the patina and/or cause permanent damage.</p><p>&nbsp;</p><p>If you choose not to conserve, you can virtually stop the verdigris formation quite easily. Just rinse the coins well with acetone, pat dry and put them into Airtite containers. Verdigris requires &quot;food&quot; to grow, i.e. air, moisture and chemicals. Take those away and there&#039;s nothing it can do.[/QUOTE]</p><p><br /></p>

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