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Best way to clean copper coins8/12/2023 ![]() ![]() ![]() Tarnish will return quicker than it took to accumulate in the first place. Or maybe you wish to make jewelry or some other form of art and want the coin shiny.Ī few things to keep in mind. But, maybe you have a coin that is of no collectible value but is of value to you, such as sentimental value. If your coin has numismatic value, such as being very old or rare, don’t clean it.Any cleaning that is possible to do without damaging the value is far beyond what an amateur can do at home. First, ask yourself why you want to clean this coin. There may be times you want to clean a coin anyway. It devalues the coin and can completely ruin it if done wrong. Since most ways of cleaning will, or at least can, diminish the grade of the coin, cleaning became undesirable to most collectors, especially as looking under a microscope revealed the extent of ‘invisible’ damage cleaning can do. Grading looks to minor details like scratches, nicks, and the wear of fine details, but not tarnish or dirt. In the mid-1980s grading became a way of rating coins. Even when it worked, the tarnish returned quickly, necessitating retreatment. In the 1930s, a common belief was that ‘brilliant is best.’ As a result, collectors cleaned coins to remove tarnish, sometimes ruining them in the process. After all, a shiny coin looks more attractive than a tarnished one, doesn’t it?Ĭleaning coins was a popular and common practice in the United States from at least the mid-19th century. Cleaning coins was actually routine by collectors for a long time. There’s no way of knowing how long coins have been cleaned, but we have a better idea of when the process became controversial. Just because a method is mentioned here doesn’t mean that it is recommended, so read carefully. In this article, we’ll be looking into some of the most popular coin cleaning methods and a few that you should avoid. Also, keep in mind that modern-day change has a different metal composition than older coins. If you really wish to clean coins, make sure you start with coins of no numismatic value. There are many methods to clean coins, even as experts argue over whether coins should be cleaned at all. There are multiple ways you can clean old copper coins without damaging them. ![]() A few are mild enough to count as non-damaging. But some methods are more damaging than others. Any form of coin cleaning will, at minimum, strip a tiny bit of the lining off. ![]()
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