In general, old coins should not be cleaned. While you might think that getting all the years of dirt and grime off a coin would make it more valuable, the opposite is actually true! By cleaning a coin, you may actually damage it and decrease its value. At worst, you could permanently damage the coin.
Why shouldnt you polish old coins?
It is best not to clean rare coins as removing the patina can significantly reduce the value of them. For this reason, most coin hobbyists almost never clean their coins. In fact, 99% of coins do not increase in value after you clean them, but many will be greatly devalued.
Should I polish my rare coins?
Generally, it is better to leave your antique metal currency alone than it is to try and erase all the grime and grit off of those coins. Cleaning or polishing rare coins devalues them. So, if you’re planning on selling them, get an appraisal before attempting to clean your coins.
Do you have to clean old coins if they are dirty?
The more valuable a coin is, the less reason you have to clean it. Clean only worthless or filthy coins. If you have coins that have little value and you are not planning to collect or sell to a collector, you may wish to clean these for purely aesthetic reasons. It’s also up to you whether or not to clean extremely dirty coins.
Why is it bad to Polish old coins?
They can remove some of the original finish or tone and even cause scratching, so they are viewed as a major negative in the world of numismatics. Polishing or rubbing coins can cause unnatural shine or other damage, also reducing the value of your coins.
What’s the best way to clean a nickel coin?
Clean each coin separately in this process. Coins made of nickel and silver will be easily cleaned; however coins made out of copper will be harder to clean as copper reacts to more materials than other metals. Step-2: Mix dish soap with water in a bowl.
What’s the best thing not to do with rare coins?
The most important thing NOT to do is clean your coins Cleaning rare numismatic coins will significantly reduce their value – plain and simple. Although you don’t lose much by cleaning a coin which derives value only from its silver content, it’s not worth the risk. 2. Don’t sort your coins by date
