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<p>[QUOTE=&quot;desertgem, post: 3026406, member: 15199&quot;]I was just kidding. I do think that the Single squeeze DD or DR is mechanical, obviously when one examines the production of modern SS dies.</p><p><br /></p><p><a href="http://www.coinnews.net/2014/01/06/how-the-denver-mint-makes-dies-to-produce-coins/" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.coinnews.net/2014/01/06/how-the-denver-mint-makes-dies-to-produce-coins/" rel="nofollow">http://www.coinnews.net/2014/01/06/how-the-denver-mint-makes-dies-to-produce-coins/</a></p><p><br /></p><p>One should pay attention to the type of production and inspection ( near the bottom of that url) that would seem to eliminate any type of &#039;doubled&#039; die from getting into production. To say that the master die ( created by Phila. mint CNC machine) is a one cut process and the master is not doubled at that point should be a given). This master die is hubbed once rather than multiple, and any single squeeze doubling on the hub die does not reflect that master die, but mechanical vibration of the master die against the hub die. This mechanical doubling is transferred to a coin when produced, but that does not make the hub die, which will produce the coins, a doubled hub, just a mechanically damaged one. Since all coins of a certain SS type (such as a California state quarter)&nbsp; are not &#039;doubled&quot;, just from certain hubs, should indicate it is a mechanical problem and thus not of numismatic significance.</p><p>&nbsp;&nbsp; &nbsp; I believe that people who make money off of the plethora of SSDD euphoria, from companies to individuals are responsible for the misinformation. I do admit that it can lead new people into the hobby, but it also gives false expectations and leads to many misunderstandings.&nbsp; IMO Jim[/QUOTE]</p><p><br /></p>

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