Cert lookup tied to registry?

When you do the PCGS cer lookup and the coin info shows up, if the coin is tied to a collection will it tell you there or do you have to look in a serprate place to see if the coin is in a registry set?
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BTW is does not have to be in a set for the cert. number to be protected just in the owners inventory.
If a police report was filed with the cert# couldn't a law enforcement agaency follow-up with the TPG?
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