For those that have some gold coins in their collection and they want to keep them in their best shapes I will tell you some tips to keep them clean. As you might probably know gold is a soft metal therefore it is very important the way you clean it and the way you keep it. It is important, because any scratch on it will take from the value of the coin and it one time you want to sell them you will not get as much as you thought.

If you want to keep them in the best shape then you should first take care on the materials that you will buy to clean them because even a soft cloth can damage the coin. The best thing to clean the coins is by putting them in an ultrasonic tank. If you do not have one then you can use distilled water where you should place the coins together with some gentle dishwasher cleaner. Try using a detergent that has a neutral PH so that it does not damage the coins. Leave them there for a few minutes and then put them in the soft cloth but don’t dry them with the cloth, just leave them to dry on their own. Also make sure that the coins don’t touch each other so that there are no chances for scratches. If the way you are cleaning the coins will leave marks on them you can use a polish substance that needs to be gently applied on the coins. All these operations can be time consuming and in the same time might not come with the best results. Therefore the best thing that you could do is to take the coins to a professional that has the necessary tools and in the same time the techniques.