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How to safely clean a fingerprint off an otherwise BU coin
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<p>[QUOTE="GDJMSP, post: 1705693, member: 112"]I understand your thinking, but once a fingerprint has been on a coin for more than a few days - the damage already is permanent.</p><p><br /></p><p>And at that point the print can only be removed by using an acid dip that literally removes the metal to a point beyond that of the etching into the metal caused by the fingerprint.</p><p><br /></p><p>And if you remove that much metal then in most cases you will have made your problem worse than it was before. You will in all probability have taken a gradeable coin (coins with fingerprints are gradeable) and turned it into an ungradeable coin.</p><p><br /></p><p><br /></p><p>edit - and spock, no it doesn't bother me at all. First of all I try very hard to not make mistakes, be wrong, when I post something. But I am far from perfect, nobody is, and I do make mistakes. And when that happens, almost inevitably somebody will be sure to point it out. They seem to take great joy in doing that.</p><p><br /></p><p>But ya know what ? So do I. I take great joy in having somebody, anybody, show me that I was wrong about something. And I do that because all I care about is people having the right information. So if I make a mistake, please point it out. And I will be the first one to step up and say thank you for that <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie2" alt=";)" unselectable="on" unselectable="on" />[/QUOTE]</p><p><br /></p>
[QUOTE="GDJMSP, post: 1705693, member: 112"]I understand your thinking, but once a fingerprint has been on a coin for more than a few days - the damage already is permanent. And at that point the print can only be removed by using an acid dip that literally removes the metal to a point beyond that of the etching into the metal caused by the fingerprint. And if you remove that much metal then in most cases you will have made your problem worse than it was before. You will in all probability have taken a gradeable coin (coins with fingerprints are gradeable) and turned it into an ungradeable coin. edit - and spock, no it doesn't bother me at all. First of all I try very hard to not make mistakes, be wrong, when I post something. But I am far from perfect, nobody is, and I do make mistakes. And when that happens, almost inevitably somebody will be sure to point it out. They seem to take great joy in doing that. But ya know what ? So do I. I take great joy in having somebody, anybody, show me that I was wrong about something. And I do that because all I care about is people having the right information. So if I make a mistake, please point it out. And I will be the first one to step up and say thank you for that ;)[/QUOTE]
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How to safely clean a fingerprint off an otherwise BU coin
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