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<p>[QUOTE=&quot;Roman Collector, post: 4558201, member: 75937&quot;]I think he&#039;s referring to what many call a &quot;<a href="https://www.cointalk.com/threads/so-called-centration-dimples-annoy-me.310056/#post-2978005" class="internalLink ProxyLink" data-proxy-href="https://www.cointalk.com/threads/so-called-centration-dimples-annoy-me.310056/#post-2978005">centration dimple</a>.&quot; This term annoys me because they don&#039;t have anything to do with centration. The indentations almost certainly resulted from lathe-turning of the flan to prepare it for striking. The best explanation about this technique of flan preparation can be found <a href="http://www.classicalcoins.com/flans1.html" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.classicalcoins.com/flans1.html" rel="nofollow">here</a> at Classical Coins’ website. In contrast, a compass dot is a feature of the die, not the flan, and is a raised dot in the geometric center of the design.</p><p><br /></p><p>Centration dimple in Gordian&#039;s cheek; compass dot between the portraits:</p><p><br /></p><p>[ATTACH=full]1128440[/ATTACH][/QUOTE]</p><p><br /></p>

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