If you are a serious coin collector then there are a plethora of different coins to choose from. Buying at the right time can be a prudent move because you can gain from the price of gold going up in addition to holding a limited edition coin which is considered rare in itself. Australian gold coins have some seriously nice designs to represent the wildlife and also specialized themes such as Chinese lunar symbols. A friend passed on a catalogue and there are several different coin sets in addition to the bullion programs which look worthwhile to investigate. Some of these coins can be held for long periods of time to capture any gold price movement.