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<p>[QUOTE=&quot;GDJMSP, post: 1029391, member: 112&quot;]Not really, it&#039;s mostly common sense. Dies are not and were not polished by hand. That is a fact and it is documented. There are several things that can cause raised lines in the devices of a coin. That is also a fact. A couple of things are metal flow, tool marks, a tiny piece of metal or grit of dirt getting caught in grease in the recesses of a die and then that die striking a coin. That grease then flows, the grit or piece of metal lightly scratches the surface of the die recess and the next coin struck has a raised line on the device. Or, a mint worker tries to clean the dirt and grease out of a die with a cloth, and in the process he lightly scratches the die recess. </p><p><br /></p><p>Knowing all of this it is therefore foolish to assume that any raised line on the device of a coin was cause by die polishing. Even if you don&#039;t know how die polishing was done it is foolish to assume it. if you do know how die polishing was done, then you would know it could not cause raised lines on the devices.[/QUOTE]</p><p><br /></p>

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