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<p>[QUOTE=&quot;tken1950, post: 2746430, member: 74984&quot;]I have a copper coin I want to send to be graded. I put it in the freezer with distilled water and now will give it a acetone bath. If I apply Verdi-care to conserve, will it lower the value of this coin?</p><p>How do coin graders clean and conserve coins that are submitted to them without damaging the coin. I sent a $2.50 gold piece with some green under the chin of the Native American and when it came back the green was gone and the coins was really nice.[/QUOTE]</p><p><br /></p>

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