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Proof set and mint set haze
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<p>[QUOTE="GDJMSP, post: 2852821, member: 112"]The bluish haze is the beginning stages of toning. That's why acetone won't take it off.</p><p><br /></p><p><br /></p><p><br /></p><p>Yes, as already mentioned MS70 will remove it. But it must be used properly. And you <u>do not</u> want to use MS70 on copper because it will turn copper coins blue or purple.</p><p><br /></p><p>What you are talking about doing is the proper cleaning of coins. And yes it can be done without harming the coins. But just like it is with anything else you have to know what you are doing because it is all too easy to screw things up.</p><p><br /></p><p>So, you either need somebody to teach you, or you send the coins to somebody who already knows.[/QUOTE]</p><p><br /></p>
[QUOTE="GDJMSP, post: 2852821, member: 112"]The bluish haze is the beginning stages of toning. That's why acetone won't take it off. Yes, as already mentioned MS70 will remove it. But it must be used properly. And you [U]do not[/U] want to use MS70 on copper because it will turn copper coins blue or purple. What you are talking about doing is the proper cleaning of coins. And yes it can be done without harming the coins. But just like it is with anything else you have to know what you are doing because it is all too easy to screw things up. So, you either need somebody to teach you, or you send the coins to somebody who already knows.[/QUOTE]
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Proof set and mint set haze
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