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<p>[QUOTE=&quot;messydesk, post: 26507374, member: 1765&quot;]Remember that the rules for appearance of doubled dies on incuse design elements is reversed from what it is for raised design elements.&nbsp; The &quot;smashed&quot; look that is normally called machine doubling is a sign of a true doubled die for incused elements, while notched incused elements are machine doubling.</p><p><br /></p><p>I&#039;ll check with John Dannreuther to see if he has that info.&nbsp; He recently released his book on proof nickel coinage.&nbsp; I just checked the book and he missed this anomaly for 1909.&nbsp; He only has one die pair identified, but that&#039;s probably due to the date position being fixed.&nbsp; He does say in the text that he didn&#039;t go looking for markers that would indicate multiple working dies.&nbsp; The photo he uses in the book is of a coin with a regular B. I sent a link to this thread to him, so we&#039;ll see if he has any comment.[/QUOTE]</p><p><br /></p>

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