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Message:: [QUOTE="davidh, post: 2196927, member: 15062"]Why is it that so many are so quick to jump on the PMD Bandwagon, especially before they have all the data?  There is apparent marking from a rotary tool but there is no evidenge at all that would point to the entire surface having been machined.  There are no circular lathe markings, there is no evidence that the surface has been ground down with a rotary tool, there is no evidence of overall polishing, there is no sign of copper showing through.  In short, if you're so sure it is a victim of "PMD" then back up your comment with evidence. I think the likely cause is two planchets dropping into the press collar, one having one side stamped by the die and the other side just protected from the die by the other planchet.  There's probably another one sided quarter out there somewhere.[/QUOTE]