Coins over time, oxidize and usually get covered with a dark and opaque veil. However, be careful when it comes to ancient coins; consider that it is the patina that makes them precious. Let's go through some of grandma's remedies for cleaning oxidized coins.
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In general, if necessary, or if there are stubborn stains, rub the coins with a soft toothbrush making circular movements. After treatment with the chosen ingredient, rinse them, ideally with distilled water, and wipe them dry with a soft cloth. Here are more remedies.
Here are some easy home methods
1) Use soap and water to wash the coins.
2) Soak them in vinegar for a few hours.
3) Put them in lemon, orange, or tomato juice for the same amount of time.
4) Clean the coins with acetone (no brush), clean them with soap and water. Sprinkle them with baking soda and rinse them.
5) To remove the oxide from the coins, treat them with a little ketchup.
6) Dip them into the water, fish them out, add a little baking soda, clean, and rinse.
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7) Rub the coins with white toothpaste (without granules).
Either way, you can do one test preliminary on a tiny point of the coin to see if it will work for you.
Adapted and translated by The Cop Cart Staff
Sources: Donnad
