How to clean old coins without damaging them
Coin collecting has become a popular hobby for many. Lovers of numismatics usually resort to the trade and exchange of old coins and, of course, to their conservation.
For this, it is necessary to clean them frequently and be very careful to preserve them in the best way, avoiding oxidation and wear, because in the long run they can also multiply their value.
The handling of these coins must be done very delicately, with the intention of preventing them from deteriorating over time. Avoiding leaving marks and using the right cleaning tools can be a good idea if you intend to use them as an investment object for the future over time.
These are some of the techniques you can follow if you want to preserve and clean them properly to keep them in perfect condition:
Neutral soap: it will only be necessary for it to have a neutral pH and use warm distilled water to clean your coins with soap. The best option is to soak them for half an hour and, after this time, dry them with a soft towel.
Vinegar: putting the coins in a basin with warm water and 50% white vinegar is also a good option to clean rust stains, leaving them to rest for half an hour
Salt and alcohol: the mixture of three tablespoons of salt and a glass and a half of alcohol works as a good cleaning product, although it can last several days, since it is necessary to wait until the dirt has come off
Baking soda: mixing baking soda with lemon juice, inserting the coins and cleaning them with a soft brush can also help preserve them better and keep them looking good
Olive oil: it is very effective when it comes to cleaning copper and bronze coins. Then you just have to let them dry. If done carefully, the coins should not be damaged.
To do this, it will be key to use the right utensils that allow you to clean the coins without damaging them in any way. This is the case of objects such as the fiberglass brush, which will allow you to remove the soil from the recently dug up (as long as they do not have a patina because we will damage it). Another option is to use a soft eraser to erase the stains, as long as they are not rust.
Also, trying to avoid exposing coins to humidity and extreme temperatures, protecting them in albums, plastic sleeves, cartons or trays, and using lacquer to prevent oxidation can be good ideas to consider if you want to try to extend the life of your coins.
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