Ambrose Evans-Pritchard writes:

"It is very scary: the flight to gold is accelerating at a faster and faster speed," said Peter Hambro, chairman of Britain's biggest pure gold listing Petropavlovsk.

"One of the big US banks texted me today to say that if QE3 actually happens, we could see gold at $5,000 and silver at $1,000. I feel terribly sorry for anybody on fixed incomes tied to a fiat currency because they are not going to be able to buy things with that paper money."

China, Russia, Brazil, India, the Mid-East petro-powers have diversified their $7 trillion reserves into euros over the last decade to limit dollar exposure. As Europe's monetary union itself faces an existential crisis, there is no other safe-haven currency able to absorb the flows. The Swiss franc, Canada's loonie, the Aussie, and Korea's won are too small.

"There is no depth of market in these other currencies, so gold is the obvious play," said Neil Mellor from BNY Mellon. Western central banks (though not the US, Germany, or Italy) sold much of their gold at the depths of the bear market a decade ago.

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Step by step, the world is edging towards a revived Gold Standard as it becomes clearer that Japan and the West have reached debt saturation. World Bank chief Robert Zoellick said it was time to "consider employing gold as an international reference point." The Swiss parliament is to hold hearings on a parallel "Gold Franc". Utah has recognised gold as legal tender for tax payments.

A new Gold Standard would probably be based on a variant of the 'Bancor' proposed by Keynes in the late 1940s. This was a basket of 30 commodities intended to be less deflationary than pure gold, which had compounded in the Great Depression. The idea was revived by China's central bank chief Zhou Xiaochuan two years ago as a way of curbing the "credit-based" excess.

For background, see this, this, this and this.