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<p>[QUOTE=&quot;GDJMSP, post: 2616781, member: 112&quot;]You&#039;re partially correct in that yes they do use different grades of material when polishing dies. They start out with a semi-course diamond dust paste and then graduate to finer, and finer diamond dust. And when polished correctly, no lines are ever visible on the die - or the resulting coins. And yes, you are also correct that when re-polishing a die, they did not always do it correctly, they would skip the final steps. And that&#039;s when, the only times when, die polish lines would be on the die, and resulting coins.</p><p><br /></p><p>But no, they don&#039;t/didn&#039;t ever use a file to polish dies - not ever.</p><p><br /></p><p>What you&#039;re not thinking about is that there are several ways that a die can become scratched, and none of them have anything to do with die polishing. And they are a common occurrence. Usually die scratches have to do with the die being wiped off during its use, or after it has been in storage for a while and prior to use.</p><p><br /></p><p>Die polish lines do not criss-cross - ever. Nor do they ever run in multiple directions, like the lines on the coin in this post.[/QUOTE]</p><p><br /></p>

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