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Unless the coins are just general circulation cents, you shouldn't try to clean them!! If a coin has any numismatic value above its face value, trying to clean it at home will almost always damage the coin and reduce its value. Go to a hobby shop and you can get holders that will keep the coins airtight and reduce the amount of oxidation (see below) that occurs.
Let them soak in olive oil. This will also loosen up any corrosion on the surface, so that you can gently remove it. And it will leave a protective coating on the coin that will help protect it from the elements.
The best way to prevent future "rust" is to first remove any foreign material on the coin that may interact with the metal, then put the coin into an airtight protective holder, and finally store the coin in a cool DRY place.
The olive oil is probably the best corrosion preventive that can be safely used on copper coins, but it WILL cause a color change, so it would be unwise to use it on a valuable uncirculated coin. I bought a couple of rolls of steel cents that had been "preserved" with WD40 and stored in airtight tubes for several years. I had to cut the tubes off and soak the coins in lighter fluid to get them apart!
P.S. "Rust" normally refers to iron or steel combining with oxygen to form a flaky brownish material, so only 1943 cents can truly be said to rust. Copper cents do oxidize, however.
What else can I help you with?
How can a person stop an outdoor table from rusting?
Keeping an outdoor table dry and covered from the elements will help keep it from rusting. Paste wax, greasing, and rust-proof paint are other ways to keep them from rusting if you're unable to keep them out of the rain.
How can I prevent my garden tools from rusting?
To prevent garden tools from rusting, keep them clean and dry after use, store them in a dry place, and apply a light coat of oil or rust-resistant spray regularly.
What can be done to prevent the rusting of iron?
Keep it away from water and away from the sun
How do you preventing knives from rusting?
To prevent knives from rusting, keep them dry and clean after use. Store them in a dry environment and avoid leaving them in water or damp conditions. Regularly oiling the blades can also help protect them from rust.
Is rusting of iron harmful or useful?
Rusting is an oxidation reaction.
How can I prevent my grill from rusting?
To prevent your grill from rusting, regularly clean it after each use, keep it covered when not in use, and apply a high-heat resistant paint or coating to protect the metal surface.
Can pennies rust with wax?
No, because rusting has to do with oxygen and IRON. Wax (obviously) has pretty much nothing to do with iron. See, rusting is basically the reaction of oxygen or moisture/water on iron.
Why are my appliances rusting and what can I do to prevent it?
Appliances can rust due to exposure to moisture and humidity. To prevent rusting, you can keep appliances dry, use rust-resistant coatings, and regularly clean and maintain them.
What are three ways to prevent car rusting?
undercoating keep vehicle garaged when not in use move to Arizona, USA
How can a person stop an outdoor table from rusting?
Keeping an outdoor table dry and covered from the elements will help keep it from rusting. Paste wax, greasing, and rust-proof paint are other ways to keep them from rusting if you're unable to keep them out of the rain.
How do you keep a galvanize roof from rusting?
Paint it
How can I prevent my garden tools from rusting?
To prevent garden tools from rusting, keep them clean and dry after use, store them in a dry place, and apply a light coat of oil or rust-resistant spray regularly.
If you live in a humid climate, what are some useful ways to keep an iron pot from rusting?
In order for you to keep your iron pot from rusting, you will need to keep it away from any water or moisture. I have also found that coating the iron, such as a seal or paint will dramatically limit the amount of rusting.
Why is it important to keep the tip of your soldering iron tinned?
To keep the tip from rusting.
Do you have a coating to put inside a 3200 gal water tank to keep it from rusting ?
yes i have coating to put inside a 3200 gal water tank to keep it from rusting
Why are modern day pennies still coated in copper?
to keep tradition of the pennies
What causes things to rust?
Water. Salt accelerates the process. To stop things rusting keep it dry of use paint or grease.
