Resistivity Meters & PCGS

Resistivity Meters & PCGS
​ Hi gang... I recently met up with my former parole officer.  He wanted my opinion on resistivity meters for checking real Au / Ag vs fake.  (You can web search yourself by typing: -resistivity meter for coins-). What I immediately suggested to him is buy numismatic coins instead of bullion.  Numis coins that have been slabbed by PC...
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