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<p>[QUOTE=&quot;GDJMSP, post: 3523438, member: 112&quot;]Which term are you asking about - bowl luster as in the title of this thread, or basining which is mentioned in the posts ?</p><p><br /></p><p>Regarding bowl luster, other than this thread I&#039;ve never heard of it before - or since.</p><p><br /></p><p>Basining however is another matter. It&#039;s term that some folks just don&#039;t seem to understand, and I believe they misuse it a lot, thinking it means one thing when it means something else entirely different. Some folks seem to think it means the surfaces of a coin are curved, dished, shaped like a basin. But this is not the case at all - it simply isn&#039;t true. Basining or basined has absolutely nothing to do with the shape of a coin or coin die. Basining or basined is nothing more than a synonym for polishing or polished - that&#039;s it, period.</p><p><br /></p><p>From Heritage - </p><p><br /></p><p>Basining</p><p>The process of polishing a die to create a mirrored surface or to remove clash marks or other damage from a die.</p><p><a href="https://coins.ha.com/c/ref/glossary.zx" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://coins.ha.com/c/ref/glossary.zx" rel="nofollow">https://coins.ha.com/c/ref/glossary.zx</a></p><p><br /></p><p>From PCGS - </p><p>basining</p><p>The process of polishing a die to impart a mirrored surface or to remove clash marks or other injuries from the die.</p><p><br /></p><p>Now that should take care of what the actual definition of basining or basined is and what the term actually means. </p><p><br /></p><p>Regarding other comments in this thread, in particular those in post #11 that I disagreed with - There is a curvature to the fields of every coin.</p><p><br /></p><p>That is also simply not true. As a general rule coins and coin dies are flat, perfectly flat. I said as a general rule because there are some examples where this is not the case, but they are few and far between.</p><p><br /></p><p>For example, in post #5 John, messydesk, mentioned a particular Morgan, a particular VAM. Here&#039;s another thread where that exact coin is discussed, along with the general subject matter being discussed here.</p><p><br /></p><p><a href="https://www.cointalk.com/threads/1878-morgan-with-a-concave-reverse.191335/" class="internalLink ProxyLink" data-proxy-href="https://www.cointalk.com/threads/1878-morgan-with-a-concave-reverse.191335/">https://www.cointalk.com/threads/1878-morgan-with-a-concave-reverse.191335/</a></p><p><br /></p><p>And to back up what I&#039;m saying about coins and coin dies being flat, I offer you this - <a href="https://www.coinbooks.org/esylum_v10n37a08.html" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://www.coinbooks.org/esylum_v10n37a08.html" rel="nofollow">https://www.coinbooks.org/esylum_v10n37a08.html</a></p><p><br /></p><p>Read it for yourselves, I believe everyone will recognize the names mentioned in this article. In essence, it provides you words straight from the proverbial horse&#039;s mouth ! And it confirms everything I&#039;ve said about coins and coin dies being flat in this thread and several others. Were there exceptions to this ? Yes, and I&#039;ve said that all along. And several of those exceptions are mentioned in that article, along with an explanation as to why some coins had ever so slightly curved dies near the outer edges. It will also tell you that this design was quickly abandoned, and why, though experimented with again later in a few cases.</p><p><br /></p><p>Bottom line, with very few exceptions, coin dies and coins are flat - period. Hopefully this answers your question LuxUnit.[/QUOTE]</p><p><br /></p>

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