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<p>[QUOTE=&quot;GDJMSP, post: 2217857, member: 112&quot;]Quite honestly, bowl luster is not a term I&#039;ve ever heard used before. The only thing I can even imagine it might refer to is the way that some Morgans have the slightly curved fields you describe. That, I think I can explain.</p><p><br /></p><p>It&#039;s usually referred to as basining. I&#039;ve never been sure why they use that word, all it does is confuse people for the most part in my opinion. In simple terms basining is nothing more than a fancy word for polishing, and that&#039;s all it is, polishing.</p><p><br /></p><p>What happens is this, all dies are polished when they are made. But sometimes when die gets clashed it has to be sent back to be polished again, to polish out the clash marks. Now usually, because of the way that die are polished, nothing unusual happens. But sometimes, and I never could figure out exactly how it happens exactly, but sometimes the outer edges of the die (the outer edges of the fields) are polished down enough that a very, very, gentle curve is put on them. Subsequently when a coin is struck with those dies that very gentle curve is imparted to the outer edges of the fields of that coin. And they curve, ever so slightly, upwards towards the rim.</p><p><br /></p><p>It&#039;s no big deal really, in fact it is mistake, a screw up, for the dies are not supposed to have any curve in them at all. They were not designed that way, they were intended to have any curve. Nonetheless, some do.</p><p><br /></p><p>That&#039;s the only thing I can think of that somebody is now calling bowl luster. I dunno, probably just another fancy word somebody dreamed up to make some coins seem special, when they really aren&#039;t.[/QUOTE]</p><p><br /></p>

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