Most precious metals on the market are being sold as jewelry items. However, you can find a few precious metals existing in the form of gold coins and gold bars. Precious metals existing in this form possess a vast collection and investment value. The value of gold coins and silver coins are always on the rise due to the high demand placed on it. To keep gold coins handy and unique in value and price, they are most times cast into custom gold coins, custom medals, bank souvenirs, jewelry, etc. The collection value of most of these gold items is higher than that of pure gold bullion. Crafting gold jewelry requires a substantial investment in its complicated craftsmanship, design and employees. In contrast, the process of making gold coins is simple and not many people are needed.