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<p>[QUOTE=&quot;Just Carl, post: 724698, member: 4552&quot;]Sorry I too read that article about the electrolitic possibilities of Copper when exposed to Acetone with some water and in Sun light. And it was supposed to be water and Acetone, not just Acetone. I&#039;ve tried that numerous times with all types of Copper. All variations of light. All variations of time. I just don&#039;t have the same Sun that the person that wrote that did. </p><p>And weeks exposed to the Sun on a picnic table had no effect on any of these coins. This all happened after that on a kitchen window. Again, none were rinsed with distilled water after the Acetone. All coins could not have had any contaminations since all of these were previously dipped in numerous solutions to remove polishes, dirt, etc. </p><p>And note only certain coins reacted by turning colors from all this which also indicates certain Copper coins react differently with different solutions and substances.[/QUOTE]</p><p><br /></p>

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