Investing in gold coins is the best investment as these coins are purely made of gold and are very easy to trade, the securest form of investment because the value of gold keeps on increasing in the same way as the value of property. Gold and property are considered the best long term investment. But, if we just talk about gold coins, we will see that these are made of 24 carat Gold which is the purest form of gold, normally when we talk of jewelry, the gold jewelry is made of 18-22 carat or so. The value of a 24 carat gold coin is more because it is the purest form. These gold coins can be made on any jeweler shop but government also issue gold coins.