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<p>[QUOTE=&quot;PaddyB, post: 2975661, member: 40017&quot;]That of course would be the next question! Acetone certainly wont shift it. (In fact I think Acetone is over-rated - it may move grease but not much else.) Possibly silver dip - but that leaves the coin very flat and grey. I have had success with less valuable coins using neat Ammonia or Formic acid (kettle descaler) on a cotton bud on selected areas, but I am not sure I would want to risk those on such a valuable coin! </p><p>So many choices...[/QUOTE]</p><p><br /></p>

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