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<p>[QUOTE=&quot;Tom Maringer, post: 199602, member: 7033&quot;]Theoretically correct... but the upper die is hard-fixed in the press ram, while the lower die &quot;floats&quot; in the collar with a sub-press ejection system that raises and lowers the die, ejecting the struck coin from the collar. The lower die is generally held in orientation by a pin so it slides up and down... but if the pin breaks or becomes worn, the lower die is able to rotate freely without stopping the press. In movies I have seen of US mint operations it appears that the obverse die is generally fixed as the upper. Therefore... it&#039;s far more likely that the lower (reverse) die rotated than the upper.[/QUOTE]</p><p><br /></p>

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