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<p>[QUOTE=&quot;GDJMSP, post: 1093183, member: 112&quot;]Mike there are several questions involved here for the sake of understanding. One is what causes die polish lines and where we are likely to find die polish lines on a coin and where we are not. My contention has always been that you will not find die polish lines on the devices or lettering. It is also my contention that die polish lines do not criss cross each other, nor do they cover the entire surface of the coin&#039;s fields. Do you agree ?</p><p><br /></p><p>I agree there is much uncertainty about how raised lines end up being on coins. But I think that is true to a large degree because people have little understanding about how dies are treated and processes are used with dies. Do you agree ?</p><p><br /></p><p><br /></p><p>&nbsp;</p><p><br /></p><p><br /></p><p>Agreed, but are not these various abrasive tools used to clean dies that say have say small rust spots on them or debris embedded in the recesses. These rust spots and/or debris embedded in the recesses of the die need to be cleaned off and that is how a die ends up with what are commonly called die scratches. Is that not correct ?[/QUOTE]</p><p><br /></p>

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