U.S. Money Reserve’s Philip N. Diehl believes precious coins may prove best purchase over coming years

As the 35th director of the U.S. Mint, Philip N. Diehl ranks as one of the foremost experts in the nation on coin minting and valuation. But Diehl is also an economist by training, with years of experience working in that capacity in both the private and the public sector. For more than 10 years, Diehl has been at the helm of U.S. Money Reser…