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<p>[QUOTE=&quot;SuperDave, post: 2827875, member: 1892&quot;]Well, look at the linked coin, where the machining is so accurate that it allowed them to remove areas into the flat part of the rim area, and then join the two pieces so accurately that it seems undetectable around most of the joint. That&#039;s good work.</p><p><br /></p><p>I can&#039;t help but wonder if part of the detection process was finding evidence in the reeding of the obverse being clamped - you&#039;d have to have a strong hold on it to machine that accurately.[/QUOTE]</p><p><br /></p>

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