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<p>[QUOTE="GDJMSP, post: 660274, member: 112"]Soap is always a bad idea for reasons mentioned. So is tap water. And if it is toning on the coins then the only thing that is going to remove it is a coin dip - an acid solution.</p><p><br /></p><p>Do that at your own risk. And realize that what you find under the toning is probably going to make you wish that you had never done it. For if the toning is as dark as you say then 1 of 2 things, and maybe both, will happen. You might find marks, hairlines, scratches that lower the grade more than you think, or, and this more likely, you will find that in order to remove that dark toning you will have to dip the coins for so long that the acid dip will eat away the top surface of the coins. And if the toning is that dark then the toning itslef will probably have eaten into the surface of the coin enough to leave pits and signs of corrosion.</p><p><br /></p><p>In all honesty, your best bet is to get different coins, that you are happy with as they are, to replace the ones you have. And either sell the ones you have or leave them alone.[/QUOTE]</p><p><br /></p>
[QUOTE="GDJMSP, post: 660274, member: 112"]Soap is always a bad idea for reasons mentioned. So is tap water. And if it is toning on the coins then the only thing that is going to remove it is a coin dip - an acid solution. Do that at your own risk. And realize that what you find under the toning is probably going to make you wish that you had never done it. For if the toning is as dark as you say then 1 of 2 things, and maybe both, will happen. You might find marks, hairlines, scratches that lower the grade more than you think, or, and this more likely, you will find that in order to remove that dark toning you will have to dip the coins for so long that the acid dip will eat away the top surface of the coins. And if the toning is that dark then the toning itslef will probably have eaten into the surface of the coin enough to leave pits and signs of corrosion. In all honesty, your best bet is to get different coins, that you are happy with as they are, to replace the ones you have. And either sell the ones you have or leave them alone.[/QUOTE]
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