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<p>[QUOTE=&quot;GDJMSP, post: 1509849, member: 112&quot;]The coin sniffer is <u>only</u> used on coins that are submitted under the Secure Plus grading tier at PCGS. IT is NOT used on any other coin submitted to PCGS.</p><p><br /></p><p>NGC has the same machine but I have yet to see NGC specify when the sniffer is used and when it is not. But I suspect their policy is similar to that of PCGS due to the costs involved with using the machine.</p><p><br /></p><p>That said, Thad&#039;s previous product Verdi-Gone is listed as one of the products that the coin sniffer will detect. Does that mean it will detect Verdi-Care too ? I seem to recall Thad saying it would not because Verdi-Care evaporates. But I have never read or heard a report on coins actually submitted saying one way or the other.</p><p><br /></p><p>It is also worth noting that both NGC and PCGS have slabbed and graded a great many coins that have small amounts of verdigris on them. So it is always an option with coins you&#039;d like to submit to just leave the coins alone.</p><p><br /></p><p>Or, you can try it and see what happens.[/QUOTE]</p><p><br /></p>

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