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<p>[QUOTE=&quot;yarm, post: 1281872, member: 5795&quot;]&quot;I can imagine a compass-like tool being placed in the hole/dot in the die and creating the outer circles. The centering dot&#039;s depression in the die was probably created with a simple rounded punch.&quot;</p><p><br /></p><p>Me too, particularly if the circles were spaced along the border where the legend, wreath and other circular features were to be engraved.</p><p><br /></p><p>However, many tokens exhibit lines on the dies over the entire surface of the token and the spacing of the lines does not correspond to any particular feature of the devices. (See Dr. Sriro&#039;s Cheshire 4, Middlesex 159, 282a, 573a, 589 and many others in the Skidmore series.)</p><p><br /></p><p>Other threads on the Coin People board approach this topic from the standpoint of the circular die features (copy/reducing lines?) and can be found here. </p><p><br /></p><p><a href="http://www.coinpeople.com/index.php?/topic/30977-three-faces-of-george-iii-1801/" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.coinpeople.com/index.php?/topic/30977-three-faces-of-george-iii-1801/" rel="nofollow">http://www.coinpeople.com/index.php?/topic/30977-three-faces-of-george-iii-1801/</a></p><p><br /></p><p>I&#039;ve gleaned the following paragraph from that thread.</p><p><br /></p><p>&quot;In 1790, Boulton learned of the die-engraving machine of Jean Baptiste Bartlemey Dupeyrat (1759-1834) and obtained one for his Soho Mint. It was utilized there to do what it did in other mints – reducing the main device from an oversize metal pattern, then employed hand engravers to add lettering and small symbols by hand punches&quot;</p><p>&nbsp;</p><p>Skidmore, Spence and other engravers probably had access to such machines during the 1790&#039;s.</p><p><br /></p><p><img src="http://i110.photobucket.com/albums/n89/rwyarmch/Message%20board%2011/57b85023.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><br /></p><p><img src="http://i110.photobucket.com/albums/n89/rwyarmch/Message%20board%2011/8f456246.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><br /></p><p>There are also circular features in the obverse die of this Middlesex 389a not visible in the image.</p><p><br /></p><p><img src="http://i110.photobucket.com/albums/n89/rwyarmch/Message%20board%2011/827dbbd3.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" />[/QUOTE]</p><p><br /></p>

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