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The trouble with t̶r̶i̶b̶b̶l̶e̶s̶ trachys
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<p>[QUOTE="Quant.Geek, post: 2946976, member: 74799"]There have been several theories proposed to why the coinage changed to a cup-shaped flan. Among the earliest was that it was easier to stack coins, but as you have found, that doesn't seem to be the case. Stacking these coins are quite difficult due to the differences in the concave/convex of the flans. Some coins stack OK and others don't within the same series. </p><p><br /></p><p>The other theory is that with the degradation of the quality of the metal, similar to an egg shell, the coin is strengthened by the concave shape. This would prevent the thin coins from cracking and splitting from daily use. But that theory can also be debunked as we can see numerous examples of cracked and split trachys:</p><p><br /></p><p><b>Empire of Nicaea: John III Ducas-Vatazes (1222-1254) BI Trachy, Magnesia (Sear-2093; DOC 39.2) </b></p><p><br /></p><p><img src="http://www.forumancientcoins.com/gallery/albums/userpics/36484/Sear-2093.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><br /></p><p>Another, somewhat absurd theory, was that it made to play tiddly-winks easier to play. Doubt that is the case <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie11" alt=":rolleyes:" unselectable="on" unselectable="on" />. The last theory I heard of was that it was a mechanism to deter counterfeiting as the process of striking these coins was so complicated that it would be difficult to reproduce....[/QUOTE]</p><p><br /></p>
[QUOTE="Quant.Geek, post: 2946976, member: 74799"]There have been several theories proposed to why the coinage changed to a cup-shaped flan. Among the earliest was that it was easier to stack coins, but as you have found, that doesn't seem to be the case. Stacking these coins are quite difficult due to the differences in the concave/convex of the flans. Some coins stack OK and others don't within the same series. The other theory is that with the degradation of the quality of the metal, similar to an egg shell, the coin is strengthened by the concave shape. This would prevent the thin coins from cracking and splitting from daily use. But that theory can also be debunked as we can see numerous examples of cracked and split trachys: [B]Empire of Nicaea: John III Ducas-Vatazes (1222-1254) BI Trachy, Magnesia (Sear-2093; DOC 39.2) [/B] [img]http://www.forumancientcoins.com/gallery/albums/userpics/36484/Sear-2093.jpg[/img] Another, somewhat absurd theory, was that it made to play tiddly-winks easier to play. Doubt that is the case :rolleyes:. The last theory I heard of was that it was a mechanism to deter counterfeiting as the process of striking these coins was so complicated that it would be difficult to reproduce....[/QUOTE]
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The trouble with t̶r̶i̶b̶b̶l̶e̶s̶ trachys
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