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<p>[QUOTE=&quot;lkeigwin, post: 1286230, member: 30400&quot;]Jewel Luster is no more. It is now called eZest and it is a pretty strong dip, often diluted and rarely used more than once. It will remove even real toning. (Never heard of using it hot.)</p><p><br /></p><p>I don&#039;t think that&#039;s what was done. I think the coin had organic toning applied to conceal the scratches, and a normally-benign acetone dip stripped it. This happened to me once with an old ANACS MS60 20c piece. Heavily toned, PCGS wouldn&#039;t cross it due to questionable surfaces. I did a quick acetone dip...maybe a minute or two, and everything came off, revealing stains underneath. Grr.</p><p><br /></p><p>I haven&#039;t used NCS because I don&#039;t think they can do much better than I can. But my guess is you take your chances when you ask for a coin to be conserved, and NCS is free to use their best judgment. Is this correct?</p><p>Lance.[/QUOTE]</p><p><br /></p>

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