“So does this mean we should buy now? To be sure, book values fall when precious metals prices decline, and costs have risen substantially since 2001 as well. So it’s possible values could fall further. But in that scenario the relationship between stock prices and book value would remain in rarified territory, making the anomaly even more appealing to a contrarian investor.”
formerly http://www.caseyresearch.com/cdd/a-rare-anomaly-in-the-gold-market