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explain this grade please?
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<p>[QUOTE="GDJMSP, post: 956023, member: 112"]Go and read what is said in that thread. A die gouge and die file marks are completely different things from die polish lines.</p><p><br /></p><p>As I have explained before - dies are polished with a perfectly flat zinc plate that is spinning very fast just like a disk grinder does. Now to polish the die the die is held down against that flat zinc plate. And the part of the die that is being polished are the fields. The reason only the fields are polished is because the fields are the high points on the die. So only the fields even touch the zinc plate. The devices, the legends - in other words everything that you see as raised on a coin - is a hole in the die. And is impossible for that large zinc plate to get down into those holes. So there can never, ever, be die polish lines on the devices of the coin. It's impossible.</p><p><br /></p><p>But there are continuously people, no tjust on the forums but in coin mags too, calling lines like those on this coin die polish lines. That's just plain bad information. But once people see it, read it - they call it that too. But they are wrong.[/QUOTE]</p><p><br /></p>
[QUOTE="GDJMSP, post: 956023, member: 112"]Go and read what is said in that thread. A die gouge and die file marks are completely different things from die polish lines. As I have explained before - dies are polished with a perfectly flat zinc plate that is spinning very fast just like a disk grinder does. Now to polish the die the die is held down against that flat zinc plate. And the part of the die that is being polished are the fields. The reason only the fields are polished is because the fields are the high points on the die. So only the fields even touch the zinc plate. The devices, the legends - in other words everything that you see as raised on a coin - is a hole in the die. And is impossible for that large zinc plate to get down into those holes. So there can never, ever, be die polish lines on the devices of the coin. It's impossible. But there are continuously people, no tjust on the forums but in coin mags too, calling lines like those on this coin die polish lines. That's just plain bad information. But once people see it, read it - they call it that too. But they are wrong.[/QUOTE]
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