You can purchase most gold coins in 1/10 ounce, 1/4 ounce, 1/2 ounce, and 1 oz .. If you'd be interested to buy gold be warned not to get a little hard headed because the charge of gold often fluctuates. If you are just preliminary out in Gold Investing, experts advice to start with gold coins investment either, or perhaps a gold bars investment. The gold and silver markets very small.