Based on the marvelous Stock Gumshoe article: “48 Karat Gold: An Investment Worth Twice Its Weight in Gold”
My back of the envelope buy price on this from looking at the Yahoo Interactive chart today is $40. Not bad, considering that Ask Stock Guru has today “Consider buy when the price retraces around 39.8 if you are aggressive. Alternatively, a conservative buy would be around 36.16″