This from the NY Times....

In addition to high anxiety about the future, recent political trends may also be playing a part in the global gold fever. With a crackdown on tax havens worldwide and Swiss bankers handing over the names of wealthy American clients to authorities, some experts say rich people now prefer an investment that can easily be hidden from the prying eyes of tax collectors.

“In Europe, people want physical gold to store themselves, with no documents,” said Bernhard Schnellmann, director for precious-metal services at Argor-Heraeus. Often, the company doesn’t know the ultimate destination of the bars it makes, only the identity of the bank in Zurich or London that is handling the order.

Link here