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<p>[QUOTE="GDJMSP, post: 1000223, member: 112"]Usually when the term "cleaned" is used the person using it is saying that the surface of the coin has been damaged by the cleaning. But the correct terminology would be harshly or improperly cleaned for coins like this. And it is important to note that harshly cleaned coins have their value reduced by 20%-80% of the same coin in problem free condition. So if you know that much, and still want to buy harshly cleaned coins, then have at it.</p><p><br /></p><p>As for acid cleaning - no, nickels are not the only coins where acid is used to clean them. But there are many kinds of acids and they are of greatly varying strengths. Some are so mild that they may take months to work while others are so strong that in 1 or 2 seconds the cleaning is done. And sometimes the coin harmed or damaged by acid cleaning and sometimes it is not damaged. So there's a lot more to it that you would think.</p><p><br /></p><p>But the person selling this Buffalo nickel is not using the correct terminology when he says acid cleaned. Acid restored is correct however. For as the others have explained, what that means is that the coin was so worn that the date was no longer visible. But because the acid (it's called Nic-A-Date) was placed on the date area, the acid ate away the top layer of metal so that the date could be seen once again. And while this works, the coin is damaged forever and has virtually no value over and above 5 cents.</p><p><br /></p><p>So now - you have the facts, and it is up to you to decide if you should stay away from them or not.[/QUOTE]</p><p><br /></p>
[QUOTE="GDJMSP, post: 1000223, member: 112"]Usually when the term "cleaned" is used the person using it is saying that the surface of the coin has been damaged by the cleaning. But the correct terminology would be harshly or improperly cleaned for coins like this. And it is important to note that harshly cleaned coins have their value reduced by 20%-80% of the same coin in problem free condition. So if you know that much, and still want to buy harshly cleaned coins, then have at it. As for acid cleaning - no, nickels are not the only coins where acid is used to clean them. But there are many kinds of acids and they are of greatly varying strengths. Some are so mild that they may take months to work while others are so strong that in 1 or 2 seconds the cleaning is done. And sometimes the coin harmed or damaged by acid cleaning and sometimes it is not damaged. So there's a lot more to it that you would think. But the person selling this Buffalo nickel is not using the correct terminology when he says acid cleaned. Acid restored is correct however. For as the others have explained, what that means is that the coin was so worn that the date was no longer visible. But because the acid (it's called Nic-A-Date) was placed on the date area, the acid ate away the top layer of metal so that the date could be seen once again. And while this works, the coin is damaged forever and has virtually no value over and above 5 cents. So now - you have the facts, and it is up to you to decide if you should stay away from them or not.[/QUOTE]
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