Coin collectors frown upon polishing valuable coins so be warned that cleaning coins can lower their value.
If you want to polish non-collectible coins just for the fun of it:
For copper pennies: Use ketchup and salt to clean them. Works like magic.
For the other coins soak them in 1/2 cup vinegar with 1 tablespoon of salt, rinse them off and polish them with a soft cloth.
Baking soda may work as well. Make a paste and rub it on the coins then rinse it off and polish with a soft cloth.
If the coins are really dirty, you may need to repeat the process until the results you desire.
2007-08-17 11:33:14
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answer #1
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answered by Bobaloo 4
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The folks here telling you not to clean the coin have it right. It will lose value. If it is a rare coin it can be sent in to a conservator to be professionally cleaned. They know what to do and what not to do. The bit about not cleaning coins is very true, but there are exceptions. Most ancient coins have been cleaned or need to be. Again they are done by dealers or collectors that know how too. Now some coins even from the mint may have grease on them, this can be removed with acetone, if it come off fine, if not do not rub the coin. Then put into distilled water and air dry. It is best though to leave things alone if the coin has a lot of value. I collect Chinese cash coins and do have to clean them sometimes. Most are not worth a lot but to study them some need to be cleaned.
2007-08-17 13:06:25
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answer #2
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answered by Taiping 7
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If you want your coin(s) to be valuable, do not clean them. Most serious collectors will not touch cleaned coins and because of this the value decreases drastically.
If you must clean you could try an acetone dip. It needs to be 100% pure (not something like fingernail polish remover as this has other components that will damage the con). You can give them a bath in the acetone but do not scrub them.
I hope something here was helpful.
2007-08-17 11:49:45
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answer #3
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answered by Anonymous
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NEVER EVER EVER clean a coin no matter how bad it looks !!!!!!!!! If that coin is worth $5000 and you clean it, the price of it can drop to $500. Even if it looks bad and you send it into PCGS or NGC for grading, it WILL get Graded and maybe a VERY High Grade too. If you clean it and send it in to them, they will body-bag it (send it back in a plastic flip w/cleaned or altered surfaces, etc.) and not put it in a hard plastic holder. If a candy bar melted in your cars coin holder, then you can clean those as long as you make sure none of them are old or rare. If you must clean a wheat penny thats NOT rare, just soak it in worcherstershire sauce. I still don't recommend this either ! NEVER use a brush or cloth on GOLD Coins wet or dry!!!!! Gold is soft and scratches very easily. Pre-1933 gold US coins are 22K = to 90% pure Gold and 10% copper added as an alloy to harden the gold. Only handle rare coins on their edge and never touch the Obverse(front) or reverse(back) too.
2007-08-17 12:38:20
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answer #4
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answered by Anonymous
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Assuming this is for jewelry (rather than coin collecting, in which case never clean the coin for any reason) and the coin is not valuable, I have found that silver or brass polish with a toothbrush usually works well.
2007-08-17 12:45:09
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answer #5
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answered by Marc G 6
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Just be aware that for coin collecting they say its best to NOT clean your coins, but if you just want to clean them for some other reason put a little vinegar and salt in a bowl and you could use a very soft toothbrush if you wanted to.
2007-08-17 10:58:31
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answer #6
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answered by nlh 1
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NEVER do that. It will lose it's value and it will damage more.
2007-08-17 13:34:20
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answer #7
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answered by Big Ben 7
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brown sauce...
2007-08-17 10:56:08
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answer #8
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answered by Anonymous
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