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<p>[QUOTE=&quot;-jeffB, post: 8343754, member: 27832&quot;]I don&#039;t think Verdi-Care is likely to do anything about the black deposits. It only works on verdigris, which is greenish. (That&#039;s a <i>good</i> thing; any agent that attacks the dark toning would necessarily leave the coin an unnatural color.)</p><p><br /></p><p>I also think you misunderstood Insider&#039;s comment -- ICG has a special for CT members that slabs coins for $10 each, <i>and</i> offers conservation services for an additional $5. He can&#039;t really advertise it in regular threads, but he&#039;s posted before and after shots of a coin that he DID conserve, and... well, $5 is a screaming bargain for that service. You&#039;d need to experiment on a <i>lot</i> of coins, over a period of years, to develop that level of skill.[/QUOTE]</p><p><br /></p>

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