Bullion comes in gram, and ounce weights, is very portable, and can be used as currency worldwide as long as it is 999.9% pure. That last ".9" is the key to look for, the difference in ".0" rather than ".9" is crucial. This is the best way for the average investor to buy gold. The bullion comes with it's weight and purity stamped directly on the bar. There is no question as to the quantity or...