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<p>[QUOTE=&quot;ROLLJUNKIE, post: 1852916, member: 36257&quot;]I would guess these re-polished die marks are similar to what we call striation marks in the granite world. These are basically caused by tooling a piece of stone in the same singular position. This causes parallel lines from the tool that need to be removed each step of the polishing process. If you skip a step too early, the fineness of the next step is not adequate to remove the previous lines and those lines will show up in the final product unless you go back to a course enough grit to remove the lines. So even though the final product may have plenty of polish, the unremoved scratches&nbsp; will remain.</p><p>&nbsp;</p><p>If this is so, I would imagine the re-polished die marks on coins would actually be raised from the surface of the coin as this would be the reflection of a recessed scratch on the die?[/QUOTE]</p><p><br /></p>

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