I dont know if you know that but gold bullion bars are a good way to build an investment in gold. The bullion bars are stamped with the refinement and weight of gold contained and can be an efficient way to purchase gold when buying large quantities. Gold bars range in size by weight from 1 gram, 1 ounce, 10 ounces, 1 kilogram, 100 ounces and finally the gigantic 400 ounce gold bullion bars. The latter are how governments and central banks store their gold. The best way for individuals to invest in gold bullion is probably through 32.15 ounce bars. What I have found out is that these are very popular in the retail gold bullion market worldwide, especially in Europe, the Middle East, and Asia. On the contrary, North Americans tend to either purchase smaller gold bars or gold coins. As you can imagine, the larger gold bullion bars are not so simple to handle and store so often their purchase is most practical only when the intention is to store the gold bullion in a qualified precious metals repository or bank. You dont have to take physical delivery of the gold bullion and the larger bars can be bought or sold without the need of an assay. But, many experts who invest in precious metals recommend that you take physical delivery of your gold and privately arrange for secure storage.