There is a mixture of rare gold coins existing in the globe today, and you aren't going to find them very simply in most cases. By taking the occasion to ensure out collections from around the globe and different dealers, you can find out accurately which coins are the rarest, as well as how you can obtain your hands on them, if you can at all. There are so many different coins that are considered rare, many because there were not a set minted or released into motion, and others for a range of features that they contain.
Gold coins were previously used as a type of official currency. However, they have now outgrown their uses and have been replaced by our article currency system, parting them no longer needed as coins and only used for collecting and investing.