Well, if you can't prevent the public from discovering gold and silver, perhaps you can deceive them to invest in NUMISMATIC precious metals, at over 25x the bullion value of the metal, and prevent them from acquiring bullion in any meaningful size.
A Fox News report from the World's Fair of Money promotes NUMISMATIC gold coins at up to $50,000/oz!
Not surprisingly, the reporter asks the "gold professional" if now wouldn't be a great time to liquidate the rolls of silver dimes and quarters he has collected?
Bet you can't guess the answer.
(And if that reporter actually owns physical rolls of silver dimes and quarters, The Doc's a monkey's uncle!)