If you are a gold coin collector, then you know the various types of coins on the market today. To be a good coin collector, you need to know the history behind your coin. You also need to know what the date on the coin signifies and if the size of your coin increases or decreases its value.
If you are new to coin collecting, then you may not have heard the term mint proof coin sets. A coin that is newly minted proof is known as uncirculated. This means that it has not been distributed anywhere as of yet. The proof part of the coin is determined by the way the coin is made. A proof coin is created with a die that is specially polished and treated. Proof coins are also hit two times or more by the coin die. This gives the coin an extremely fine detail. You can expect to pay more for proof coins sets because of the additional time, production, labor and effort involved.
Gold bouillon coins are made from precious metal. These are mostly used as an investment rather than collection. These coins were generally minted after the 1800s, they are of legal tender in the country they were made in and they have the purity of not less than 900 thousandths. Most bouillon coins are available in gold as well as silver except the Swiss Vreneli and the Krugerrand which are only available in gold. A couple of bouillon coins are also available in platinum.