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<p>[QUOTE=&quot;chrisild, post: 2223361, member: 39&quot;]Since I am not really into collector coins (pieces designed and produced especially for collectors) and focus on modern pieces, most of what I have is round. After all, machines seem to prefer such coins. <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie1" alt=":)" unselectable="on" unselectable="on" />&nbsp; However, I find coins interesting that are &quot;basically but not really&quot; round - such as the British 50 pence piece, or (here in the euro area) the 20 cent piece.</p><p><br /></p><p><img src="http://www.royalmint.com/~/media/Images/Discover/Coin%20Designs/50_pence_2008.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><br /></p><p>The former is technically called an equilaterally curved heptagon, i.e. the diameter is always be the same. The latter is a Spanish flower, i.e. a round shape indented seven times.</p><p><img src="http://ec.europa.eu/economy_finance/images/image8902.gif" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p>Christian[/QUOTE]</p><p><br /></p>

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