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<p>[QUOTE=&quot;Conder101, post: 971573, member: 66&quot;]A mint mark CAN show the effects of a doubled die but only in the time period from about 1990 to 1995.&nbsp; Before 1990 most mintmarks were punched into the die by hand after it was finished (and any doubling from the hubbing process was finished) and after about 1995 the mint switched over to the single squeeze hubbing method which pretty much eliminated all doubled dies except for slight doubling in the very center area of the die.&nbsp; (On many world coins mintmarks can show doubled dies because the mintmark is part of the die and they were still using the multiple squeeze hubbing techniques.)</p><p><br /></p><p>I do not know if there are any US doubled die mintmarks known.[/QUOTE]</p><p><br /></p>

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