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<p>[QUOTE=&quot;Conder101, post: 405548, member: 66&quot;]The lettered edge is placed on the coin by a machine called a Castaining machine.&nbsp; It is made up of two edge dies, one fixed and one movable.&nbsp; The movable die can be slid passed the fixed die by means of a crank.&nbsp; The distance between the dies is just slightly less than the diameter of the planchet.&nbsp; Each die has half of the inscription, one saying FIFTY CENTS OF and the other says HALF A DOLLAR.&nbsp; If the moving die is not cranked fully back to the starting point, the inscriptions can overlap by varying amounts or other edge errors can occur.</p><p><br /></p><p>A couple of old engravings of the Castaining machine</p><p><br /></p><p><img src="http://i189.photobucket.com/albums/z165/Conder101/diderotrimmingmachine.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><br /></p><p><img src="http://i189.photobucket.com/albums/z165/Conder101/earlyrimmingmachine-Thompson.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" />[/QUOTE]</p><p><br /></p>

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