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<p>[QUOTE=&quot;GDJMSP, post: 24648166, member: 112&quot;]Acetone has zero effect on verdigris. But more importantly, sometimes, stress sometimes, using acetone on copper can cause the coin to turn weird colors. With copper, one should use xylene to try and clean some types of contaminants off the coin.&nbsp; But xylene will not have any effect on verdigris either.</p><p><br /></p><p>Verdi-Care on the other hand, when used as directed, will safely remove light verdigris like you have on your coin.[/QUOTE]</p><p><br /></p>

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