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<p>[QUOTE=&quot;coppercoins, post: 567038, member: 152&quot;]It would actually be &#039;machine doubling&#039; - &#039;mechanical doubling&#039; is not really the overall accepted term...</p><p><br /></p><p>and what&#039;s on this coin is die deterioration, which is common on 1946 cents.&nbsp; It&#039;s what wore the date out.</p><p><br /></p><p>I don&#039;t see anything at all out of the usual on the mintmark so I am unable to see what you are trying to refer to as a RPM.&nbsp; I would like to know where you think you see the spread so I can answer to what you see rather than just say I don&#039;t see it.[/QUOTE]</p><p><br /></p>

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