Collectible coins should always be handled carefully to avoid the possibility of causing wear. Collectable coins are given a grade depending on the condition that the coin is in. The price of the coin is determined on the grade. The higher the grade of coin, the more valuable it is. Because of this, by reducing the amount that a coin is handled reduces the risk of introducing substances that may lead to spots or color changes that will affect the grade of the coin and in turn affect the value. There are holders available that will provide adequate protection for ordinary handling. Before you remove a coin from its holder, consider whether it’s really necessary.

A coin that is uncirculated or Proof should never be touched anywhere but on the edge. Even fingerprints alone can reduce the coin’s grade and its value. By getting in the habit of picking up collectible coins by their edges and it will soon become normal. Coin collectors should also avoid holding coins in front of your mouth. Surprisingly, small particles of moisture may eventually cause spots on the coin’s surface. If you need to place a coin down outside of its holder, it is necessary to place it on a clean, soft surface. A velvet pad is the perfect surface and extremely important for regular handling of valuable collectable coins. It is also possible to place coins on a clean, soft cloth or clean piece of blank paper is most likely sufficient for less valuable items. Above all, do not drag coins across any surfaces. This can cause scratches and wear. Some people may even seem more comfortable wearing clean white cloth or surgical gloves and a mask may be advisable if they are going to be handling very valuable coins or lots of uncirculated and/or higher grade circulated coins.

Although it may seem like a good idea, avid coin collectors, dealers, and investors advice against every cleaning coins. Although you may think that they will look nicer if they are cleaner and shinier, collectors actually prefer coins with their original appearance. Cleaning a coin may reduce its value by half or more. Even wiping a coin with a soft cloth may cause small scratches. When a professional is grading a collectable coin, they view it under magnification. So, even small scratches that are invisible to the naked eye will be seen and the grade of the coin will be reduced. Cleaning coins is kind of like trying to restore a work of art. It is best to leave it up to the professionals. They have the knowledge and experience as to what cleaning techniques will work best and how to use them in the right way. Sometimes dirt or other foreign substances can be removed by soaking the coin in olive oil or soapy water for a few days. Then the coin needs a thorough rinse with tap water. The coin could be dried with compressed air or allowed to air dry. Remember to never rub the coin even to dry it.

Sometimes a coin will go through a natural process called toning. It is a chemical reaction where atoms on the surface of the coin react with sulfur compounds and cause the coin’s surface to become tarnished. Unfortunately, the process can not be reverse. Professionals can put the coin through a dipping process that will strip the molecules from the surface of the coin. On the other hand, natural toning may increase the value of a coin.