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<p>[QUOTE="ziggy9, post: 437181, member: 8360"]one of the most common reasons for this is acid. Different metal types disolve at different rates in acid causing the copper core to be cut down faster than the cupro nickel. This may or may not be the case in this instance. without seeing it in person it is hard to tell. The only thing important here is that it is indeed post mint damage as the three layers ot the coin are cut in a single strike and therefor could not happen at the mint.</p><p><br /></p><p>Richard[/QUOTE]</p><p><br /></p>
[QUOTE="ziggy9, post: 437181, member: 8360"]one of the most common reasons for this is acid. Different metal types disolve at different rates in acid causing the copper core to be cut down faster than the cupro nickel. This may or may not be the case in this instance. without seeing it in person it is hard to tell. The only thing important here is that it is indeed post mint damage as the three layers ot the coin are cut in a single strike and therefor could not happen at the mint. Richard[/QUOTE]
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