Highly purify gold or silver are called bullion which is reserves by central banks or held by institutional investors. Now the question is how to invest in gold? Gold is actually recently hit eleven-year high trading just above $900 an ounce, some people say that this is due to the endless money pending as they short suggest, some people say that it is a sign of every weakening, debasing US dollar. Regardless of your thoughts, we will cover a few different things. The actual gold bullion, so this is going either in form of a bar or coin typically if you buy a reputable source. Physical bullion is actually priced 1 to 10% over the spot price. You also need to buy quality. The most popular types or coming from Menz or they come from highly reputable sources so you should only be investing in investment great gold. So you are looking for purity of 99.5% or higher. You can also invest in EFTs or gold funds which is just like a mutual trust fund. This is referred to as paper gold, there are three types of ETFs and funds that exist.