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<p>[QUOTE=&quot;GDJMSP, post: 1029352, member: 112&quot;]Basining has two very different definitions. 1 - simply means polishing. 2 - is where the center of the die (for some large coins) is actually ground down making the face of the die somewhat concave in the center, but only very slightly. This makes the coin turn out thinner around the outer edges than it is towards the center. And because the outter edges of the die are the highest point of a basined die they push more metal into towards the center of the coin to fill the recesses of the devices.</p><p><br /></p><p>Now I don&#039;t know what exactly was used to grind down the central high points, or fields, of the die. But rather obviously it had to be something that was slightly convex. I would imagine they made a special tool just for doing this. And rather obviously that tool would have to have the ability to grind down the metal of the die and yet leave it as highly polished as the rest of the field areas on the coin. But yet not reach into the devices or recesses of the die and thus mess up the design.</p><p><br /></p><p>Now the evidence of what I am saying being true is the coins themselves. For I am saying was not true then every Morgan dollar there is would have raised lines running all over the central devices. But yet they don&#039;t. So what I am saying must therefore be true.</p><p><br /></p><p>And Paul, you are merely making assumptions. There are several other ways that the interior of the recess in a die could get marked like that. The most obvious of course is a tool mark. And given the countless examples of coins with die polish lines, where those lines stop at each and every device, letter, or numeral there is on a coin, and then pick back up on the other side and continue on - to even think that raised lines on the devices could be caused by die polishing is - well it&#039;s just foolish. It&#039;s somebody reaching for a way to explain something they don&#039;t understand.[/QUOTE]</p><p><br /></p>

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