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<p>[QUOTE=&quot;DallasCoinsNThings, post: 3197420, member: 91532&quot;]I believe that the difference between &quot;Machine Doubling&quot; and &quot;Double Struck&quot; is the fact that, in 1804, the Coin Minting Process was done by a manual machine, with humans controlling each strike of a die.&nbsp; SO, Double Struck probably refers to Human Error, and not Machine Error.</p><p><br /></p><p>After about 1833, they began using Steam Powered machines, so those machines could create &quot;Machine Doubling&quot; that is not due to human error.[/QUOTE]</p><p><br /></p>

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