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<p>[QUOTE=&quot;mynamespat, post: 2707383, member: 83738&quot;]PCGS has been working on a machine since 1991 which primary function would be to grade coins.&nbsp; I haven&#039;t found any actual reports that it is operational, but I highly suspect they use it to grade mass marketed HSN coins and such.&nbsp; I&#039;ve already written an inquiry, but I don&#039;t anticipate a straight forward response. </p><p><br /></p><p>The patent has been updated recently. Thus it can be concluded they are still pumping money into this project (25 years of building and research adds up to a lot of money).&nbsp; From what I can tell, with a couple slight modifications, this machine could be used for pulling dates and varieties.&nbsp; I don&#039;t think it&#039;s there quite yet due to technological limitations, but it will be in due time.[/QUOTE]</p><p><br /></p>

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