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<p>[QUOTE=&quot;desertgem, post: 3514269, member: 15199&quot;]The problem with a single squeeze coin is that mechanical movement of the single squeezing can cause movement as the hubbing continued down and returned, producing &#039;vibration movement&#039; on tthe working die created. To me the coins produced by that die are mechanical movement doubling and not a true doubled die ( last ones in 1995)&nbsp; where the position of the die being made was controlled by the actions of a mint worker. They could be called by a different name &quot;SS Doubling&quot; or other, but a DD????&nbsp; But what ever currently makes the error coins business continue seems to be OK.&nbsp; IMO, Jim[/QUOTE]</p><p><br /></p>

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