The best way to clean a silver coin is by using a soft cloth or brush with mild soap and water. Avoid using harsh chemicals or abrasive materials that can damage the coin's surface. Gently pat the coin dry with a soft cloth after cleaning to avoid scratching.
A really good way is actually to leave it in a glass of Coca Cola or Pepsi overnight. It should be really clean in the morning.
But if the coin may have value as a collector's item, it should not be cleaned, except by a coin expert, as doing so can destroy its collector's value.
Soak coins in extra virgin olive oil.It takes a few weeks or months depending on how dirty it is.The oil should be changed regularly.When the oil turns green it should be changed.This will not damage metals and is non abrasive.I have used this method for years.It works best on copper and brass but works on any metal.
NO!Soaking in olive oil or any other material, even if it's not corrosive, is not recommended for any collectible coin. Feel free to use it on a bunch of pennies from the 1960s, for example, but any attempt to clean a numismatically valuable coin using household materials is considered to be an alteration and can dramatically lower its value.Cleaning of old coins should only be done by an expert, in the same way that a trained conserver can repair an old painting or piece of furniture without affecting its value. As any antiques dealer or collector will attest, "home brew" fixes rarely if ever improve an item.
No. Coins always lose value when they are cleaned when compared to uncleaned coins (the exception being coins that are dug out of the ground that are encrusted in dirt). Do not clean your collectable coins!
If you think the coin may have some value as a collectors item, the best thing to do is not to clean it. Cleaning can reduce or eliminate any collectors vale.
The deposits on the surface of the coin were part of the coin body. Removing these deposits is removing part of the coin. A coin collector will not do this.
The best way to clean a silver item like a cleaner is a commercial silver cleaner. Some other preparations like lemon juice and water are somewhat effective too.
The short answer is, do not clean your coins.WARNING - There is no way you can clean a coin without damaging the finish and reducing any collector value it may have.Some coin catalogues suggest that you might use a soft brush on copper or bronze coins and, that there are professionals capable of cleaning coins.Since you state that your coin is a collector coin, go with the short answer and do not clean your coins.The best way to keep them is in some form of a protective casing or packaging to keep dust, moisture and finger prints off them. Most coin dealers will sell something suitable for storing your collectible coins.
You can look on the rim of the coin and if there is no brown on it it is silver. If the coin is silver looking on the rim then drop it and listen for a high pitch cling sound which is another way to identify it.
the best way to clean copper or silver coins and jewelry is ashes
If the vase is silver then you may want to use silver polish, but consult the place where you bought it just to make sure.
One way to know a coin is not silver is to check it with a magnet. If the magnet sticks to the coin, it is not silver. If the magnet does not stick, it still might not be silver. You can test it, but to do that you need a test kit.
The short answer is, do not clean your coins.WARNING - There is no way you can clean a coin without damaging the finish and reducing or eliminating any collector value it may have.If your coin has any collector value or you propose to sell it, you will damage the finish or lustre of the coin by cleaning it.The British 1942 Florin has a 50% silver content. Some coin catalogues suggest that you might use soap and water very carefully on silver coins or, that there are professionals capable of cleaning coins.If your coin has no collector value and you would just like to clean the crud off and make it shiny again, use a jewellery cleaner (which contains acid).
One way to clean and nickel is to dip it in vinegar.
A very effective and cheap way to clean silver is to use toothpaste. Literally, toothpaste. Toothpaste is made to get rid of plaque and unwanted bacteria/germs. this is why it is used to clean silver well.