
How do you safely clean old coins?
Tips and Warnings:
- Washing the old coins with water may take a few days (and even months). ...
- Always use distilled water to clean the coins. ...
- Make sure that you use a good quality soap that does not have any harsh chemicals as ingredients. ...
- Always use a soft-bristle toothbrush for scrubbing. ...
How to clean old coins without any damage?
Clean old coins with water. To clean your coins without risking damage to the surface and a reduction of value, you should use only water. Grasp a coin by the edges, and hold it under a gentle stream of lukewarm distilled water. Flip the coin over so that the reverse side is also wet. Then, gently pat the coin dry with a soft cotton towel.
What to use to clean old coins?
What You’ll Need:
- Running tap water
- Mild dish detergent
- Hand soap
- White vinegar
- Malt vinegar
- Old toothbrush
- Container
- Clean and soft cloth
Should you clean old pennies?
Some examples:
- Pennies that have been cleaned often take on an unnatural, orange color. ...
- Silver coins sometimes take on uniform grey colors that are otherwise unnatural for silver coins.
- Any coin that has been heavily cleaned will have an unnatural, uniform reflectivity that coins would not normally show.

Will vinegar damage coins?
First, if you think your coins might be of any value, do not clean them at all, since you can possibly damage them by soaking in cleaners like vinegar. If you want to clean the coin for some other reason, vinegar should work fine.
What happens when you put a dirty coin in vinegar?
The vinegar made its penny shiny. Pennies become dull over time as copper on the surface reacts with oxygen from the air. The two elements combine to form dark chemicals called copper oxides. The acetic acid in vinegar dissolves these chemicals and leaves the copper surface of the penny looking shiny.
How long should I soak my coins in vinegar?
Place your coins in a bowl and pour enough white vinegar to cover the coins. Let the coins soak for at least 30 minutes but no longer than overnight. Remove the coins and gently scrub the residue with the toothbrush....How to clean coins with vinegarOne bowl.White vinegar.Water.Old toothbrush.Soft cloth.
What is the best way to clean dirty coins?
0:452:14Coin Collecting : How Do I Clean Dirty Coins? - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd and again you're going to just take a little soap. Standard soap dish soap is fine. And againMoreAnd and again you're going to just take a little soap. Standard soap dish soap is fine. And again let me preface this is only for very inexpensive coins that don't cost much and you'll probably want
How do professionals clean coins?
Ultrasonic Cleaners These coins are cleaned by using distilled water with a small amount of detergent in a special vibrating container. Acid based cleaners will eat away at a coin's surface diminishing its value.
How do you clean coins without losing value?
Baking soda and vinegar have proven to be one of the most effective ways to clean tarnished coins. Submerge the coins in a shallow bath of vinegar and let them soak for at least an hour. If you don't have vinegar on hand, filtered tap or distilled water can be used as a substitute.
How do you clean old dirty pennies?
If your kids want a more hands-on approach to coin cleaning, add a small amount of water to a tablespoon of baking soda to form a paste. Let your kids use an old toothbrush to apply the paste to each coin, scrubbing gently. Rinse the coins to reveal the now-shiny surfaces.
Does Coca Cola clean coins?
Coke and off-brand colas will quickly remove the tarnish. Just don't drink the coke afterward. Coke contains phosphoric acid that cleans the oxides. Try a variety of citrus juices to see which works best or simply let your pennies soak in lemon juice.
Does cleaning old coins devalue them?
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.
Can toothpaste clean coins?
Don't use toothpaste – Toothpaste is extremely abrasive. It can make your coins appear shiny, but cause significant damage to the surface. Don't use ketchup – You might have learned in science class that dipping a penny in ketchup can restore their shine.
Does baking soda and vinegar clean coins?
With a little time, minimal effort and some basic household supplies, such as vinegar and baking soda, you can bring out the shine in even the dingiest of tarnished pennies. Cleaning coins with baking soda and white vinegar is effective and easy to do.
What is the best thing to clean pennies with?
Vinegar (or Lemon Juice) and Salt This method is the best way to clean your pennies, and it will produce a very bright orangey-copper color on your pennies. It does this by using the low levels of acids that are contained naturally in vinegar and lemon juice to remove the patina (brown oxidation) on the penny.
Does vinegar damage silver coins?
1:073:01what happens to silver in VINEGAR??? - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd there's no silver in them after 48 hours the silver is completely dark and the non silver copperMoreAnd there's no silver in them after 48 hours the silver is completely dark and the non silver copper clad coins are barely affected.
How long does it take for vinegar to clean a penny?
Hold a penny halfway into the liquid for about 15 seconds and remove it. Make some observations. Put the rest of the pennies into the vinegar/salt solution and wait 10-15 minutes.
How does vinegar affect pennies?
The combination of vinegar (a weak solution of acetic acid), and table salt (sodium chloride) helps to dissolve the copper oxide, and also forms the blue copper(II) ion, which is soluble in water. The penny becomes shiny again!
Does vinegar damage copper coins?
A good rinsing is needed to flush the acetic acid from the vinegar off the pennies. If left on the copper, this can lead to a buildup of a chemical called malachite, which will turn the pennies a bluish-green color.
What are coins made of
Coins is a result of pressing together into layers, different kind of metals. These metals include; Nickel, copper, and Zinc. The different layers in which a coin is designed to give it its indestructible composition. The outside layer of a coin is made up of 3/4 copper and 1/4 nickel.
Do coins get dirty
Yes, coins do get dirty. The most interesting fact about a dirty coin is, you don’t have to either accidentally or deliberately pour any stain-causing substance on its surface before it gets defaced. You can abandon it somewhere clean and you would just find out that your coin looks filthy dirty.
How do coins get stained
There are several reasons why your coins may look dirty or defaced, but rather I will only provide you with more of a scientific explanation of it. The air around us is composed of oxygen, and the coin is made up of copper. The oxygen atom present in the air is positively charged, while the copper atom in copper is negatively charged.
Is it safe to clean old coins with vinegar
Yes, it is completely safe to clean coins with vinegar. After I decided to wash my coin, the first cleaning agent that came to my mind was vinegar. I choose vinegar because coins are very tough and stains wouldn’t come off easily.
Why does vinegar clean coin
I explained in an earlier section of this article that vinegar is acidic and works by breaking the bonds formed by copper and oxygen. If would do me a favor by going back to the section where I discussed “How to make coins shiny with vinegar”, you would find out that I made use of salt as well.
What happens when you put coins in vinegar
The dullness of your coin is caused by the romance between two elements – oxygen and copper. When these two elements come together, they form a bond called copper oxide. Vinegar contains acid and because of this, it can dissolve this bond and the color of your coin back to the original.
Why do pennies turn green in vinegar
It is a result of the formation of a chemical called Malachite on your pennies. If you want a practical piece you can work with, here’s an experiment you can perform on your coins at home.
How to get coins out of a bowl?
Pour a few ounces of vinegar into a shallow dish. Select a di sh with an opening wide enough to allow you to reach in and grab the coins. A bowl will work best, but you could also use a coffee mug or small Tupperware container. Fill the dish with enough liquid to totally submerge several pennies at once.
How to clean tarnished pennies?
Gather together the pennies you want to clean. Go through your wallet, drawers, car and anywhere else that change tends to pile up to find pennies in need of cleaning. This process will work best on coins that are heavily tarnished or have a lot of stuck-on grime. The combination of vinegar and salt will cut through dirt and buildup effortlessly.
How to restore old pennies?
To restore pennies to their original luster, simply plop them into a solution of vinegar and salt, let them sit for a few minutes, then rinse them off and watch them shine like new. Steps.
How to make a vinegar based vinegar?
1. Drop a few pennies into the vinegar solution. Start with 4-5 pennies at a time to avoid overcrowding the dish. There should be enough room for each of the pennies to be completely immersed. Make sure the pennies stay separated at the bottom of the container.
How long should you soak pennies?
Shake the pennies at the bottom of the dish as they soak to release even more buildup. Especially dirty coins can be left to soak for up to five minutes.
Why are copper pennies hard to distinguish from other coins?
Learn more... As copper pennies continually change hands, they become prone to tarnishing and collecting dirt. This makes them harder to distinguish from other coins and may make you reluctant to handle them. What you may not realize, however, is that you likely have a convenient remedy sitting right in your pantry.
What color is pennies?
If left on the copper, this can lead to a buildup of a chemical called malachite, which will turn the pennies a bluish-green color.
Cleaning coins with distilled white vinegar and table salt
Household distilled white vinegar is not only good for salads and barbeques, but it also has medicinal value and cleaning purposes. It is a versatile liquid and, in our case, a good cleaning agent. To use vinegar to clean old coins, you will need the following.
Frequently Asked Questions
Yes, however that may not be effective in cleaning old coins. Vinegar is a mild acid and requires a salt (like sodium chloride) to boost its effectiveness. Alone, distilled white vinegar requires more effort to break down metallic compounds on the surface of the old coins, and that may take overnight if they are especially grimy.
Taking care of your old coins
Cleaning coins for their commercial value might damage and devalue them. That is because their aged outlook and tarnish are part of the appeal that potential professional collectors try to identify. However, if you have to clean your collection, a vinegar solution and some light brushing is the best approach. Otherwise, seek professional expertise.
How to clean silver coins without damaging them?
You can clean your coins without damaging them by soaking them in a bath of isopropyl alcohol and salt. When combined, these ingredients are both abrasive and acidic and will clean any built-up dirt off your coins. To clean delicate silver coins check out our silver cleaner recipe showing you to make your own homemade cleaning solution.
How to clean a coin with distilled water?
Homemade Coin Cleaner Recipe. Fill one of the plastic containers with two cups of distilled water. Stir in the mild hand soap and stir to create a soapy water mixture. Put the coins you want to clean in the container and allow them to soak for 10 to 15 minutes.
How to make a coin bath?
To make the coin bath, you will want to combine one cup of isopropyl alcohol with two tablespoons of salt in a medium-sized bowl. Mix the solution and add your coins to the dish. Let them soak for at least two hours. If they are filthy, you may have to allow them to soak for up to a week.
How to clean a silver coin that has a patina?
Start by preparing a solution of warm, soapy water as the best way to clean silver coins. Pour the cleaning solution into a watertight jar and add a small amount of sand.
Why do you want to preserve the patina of coins?
You want to be sure to preserve the coins’ patina because it is an essential component when determining the value of the coin. When cleaning old coins, you want to first consult with a coin dealer so they can learn the value of the currency and provide you with a recommendation for cleaning the coin.
What is the best way to remove patina from pennies?
The low levels of acid in the lemon juice or vinegar are used to remove the patina that tends to form on older and dirty pennies.
How to dry a coin?
Place the coins in the jar, seal the lid, and shake it around. Remove the coins from the container and rinse them under warm water. Use a clean, soft cloth to dry the coins, but do not rub the coins, because it can damage the surface of the material.
17 Ways to Clean Your Coins
Optimally, if you are a coin collector you should know that it is best to not clean a coin. However, cleaning common coins that are priced at face value is fine. Due to circulation, common coins can be highly dirty and filthy and should most definitely be cleaned.
Helpful Tips
You would never want to use an extremely harsh chemical like muriatic acid when cleaning coins as it may cause corrosion. Such chemicals will cause permanent damage that cannot be restored.
