Well, they are positively overcharging for bullion. But it’s not illegal, AFAIK, to charge someone more than the market price for a slug of .999 silver.
The scam(s) is/are: “we can’t ship what you’ve paid us for and we lost our records of your order”; “we’re fighting for honest [paper] currency backed by precious metals”. And the whole paper money aspect of the thing is miles beyond bogus.
I guess you didn't notice the point of this thread, that the FBI and SS raided them and confiscated everything.