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<p>[QUOTE=&quot;desertgem, post: 957696, member: 15199&quot;]I doubt that NCS uses any magic solutions that are not available to others. The difference is that they , and many others, know <b>HOW</b> to use the solutions on coins that are<b> EVALUATED</b> by them as being capable of being helped. The processes that have been mentioned in their news articles on restoration of shipwrecked coins is very similar if not the same as cleaning procedures used by collectors. Of course it does matter who does the cleaning and sealing afterwards. Since dipping is not considered &quot;cleaning&quot; [ big argument area], PCGS and NGC use to dip submitted coins for customers. I am not sure if they still offer this service or not. These coins would not go through NCS.</p><p><br /></p><p><br /></p><p>In the case of Jello&#039;s coin I suspect it was dipped, but the remaining spot is where the corrosion had reacted a pit that the dip couldn&#039;t remove the black toning/corrosion entirely. AIMO.</p><p><br /></p><p>Jim[/QUOTE]</p><p><br /></p>

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