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<p>[QUOTE=&quot;desertgem, post: 2655724, member: 15199&quot;]Donwall57, The current method of die manufacture by the mint doesn&#039;t involve a double hubbing such as with the &#039;55 and &#039;72 lincoln, now they use a single squeeze process of die production, which can produce a secondary image on the working die due to a type of mechanical chatter. Some classify the secondary image as a &quot;Doubled die&quot;.[/QUOTE]</p><p><br /></p>

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