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Re: 100 OZ Silver Bars, Are yours real?
<< <i>When buying Engelhard 100's, I always take the bar and set it on top of an empty SAE tube, and then tap gently with a 2 oz jewelers hammer......... If the bar is "good", i… (View Post)1 -
Re: can someone explain Boyd's Battery?
The idea behind the battery was that when your persperation comes into contact with the dis-similar metals it acts as an electrolyte and allows small electical currents to flow between the metal &quo… (View Post)1 -
Re: ACG website claims PCGS uses PVC slab inserts
I thnk the problem comes from many people thinking that any soft rubber or plastic is "PVC". This is because nobody bothers to learn what PVC is, or that the stuff on "PVC" contam… (View Post)1