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<p>[QUOTE=&quot;kruptimes, post: 1304188, member: 33662&quot;]Thanks for explaining the life of a die. I found other important aspects of stamping coins one of which is all dies are turned on a CNC machine from a computer program. The mint&#039;s 1908 engraving machine was replaced in 2008. Therefore the differences from one die to the next has to be small. I believe the weak link is inspection.&nbsp;&nbsp; <a href="http://www.usmint.gov/faqs/circulating_coins/index.cfm?action=inspecting" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.usmint.gov/faqs/circulating_coins/index.cfm?action=inspecting" rel="nofollow">http://www.usmint.gov/faqs/circulating_coins/index.cfm?action=inspecting</a>. If Quality Assurance is still in the dark ages at the mint, error coins and different populations are still quite likely to occure from wearing of the dies.</p><p><br /></p><p>In another link <a href="http://www.coinworld.com/how-coins-are-made/" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.coinworld.com/how-coins-are-made/" rel="nofollow">http://www.coinworld.com/how-coins-are-made/</a>, visual inspections are confirmed. This really surprises me since Lasers are employed in cutting the dies and not with the inspection of the finished product.[/QUOTE]</p><p><br /></p>

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