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<p>[QUOTE=&quot;proofartoncircs, post: 938950, member: 25952&quot;]<blockquote><p>&lt;&lt;I will have to answer this in detail more later.</p><p>I think it is a class III (plus more) doubled die involving an M hub. It looks like the DD on the top of p214 of the CPG.&gt;&gt;</p><p>&nbsp;</p><p>On further reflection, I best not go into more detail on exactly what your specimen yet.&nbsp; I am not an expert on doubled dies nor can I work from pictures well.&nbsp; I can identifed a class III doubled die made from an M and regular circulation hubs by its having M characteristics but in less relief than a true M.&nbsp; I found 4.4 % of 1970 D&#039;s in circulation to be doubled dies.&nbsp; That would require about 100 dies.&nbsp; Most were quite unspectacular.&nbsp; An unusual number of them showed rotation between hubbings of diffferent degrees and directions.&nbsp; Most of these are also unspectacular.&nbsp; A few are quite interesting.</p><p>&nbsp;</p><p>Guessing as to what happened, I postulate the following.</p><p>1968 S M - Proof only issue.&nbsp; M master hub was modified from circulation style artwork.&nbsp; Approx 1,000 M dies used.</p><p>1969 D&nbsp; M - Leftover dies (approx 80) from San Francisco were used at Denver</p><p>1970 D and Philadelphia M -&nbsp; Somehow the M master was mixed in with the regular circulation hubs and M dies and doubled dies made.&nbsp; There must have been some problem in aligning thes two different hubs since so much rotational doubling also occurred.</p><p><br /></p></blockquote><p>[/QUOTE]</p><p><br /></p>

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