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Message:: [QUOTE="GDJMSP, post: 1952451, member: 112"]The conservation service that PCGS now offers, and it's a fairly new service, has nothing to do with the Secure Plus service, it's an entirely separate service. That said, yes you could send a coin in to have PCGS conserve it, and then have them grade it under their Secure Plus service. But that's the only way it could or will happen. As for the PCGS sniffer, it is not used to detect artificial toning, nor is it used to detect or confirm natural toning. The sniffer is not even capable of detecting most forms of artificial toning. Toning is judged purely by the eyes of the graders, nothing else. The one and only thing the sniffer is used for is to detect if there is or is not a foreign material/substance like oils, putty, wax, etc etc, that has been put on the coin. That's it, that is all that the sniffer does and all that it is ever used for.[/QUOTE]