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<p>[QUOTE=&quot;bhp3rd, post: 830099, member: 16510&quot;]<i><u>&quot;One more thing, could you do the same thing for machine doubling so I can completely understand the differance.&quot;</u></i></p><p><i><u><br /></u></i></p><p><i><u><br /></u></i></p><p>Well I will give it a shot, why not!</p><p>&nbsp;</p><p>Machine/strike/mechanical doubling happens when dies and/or presses distort the images on a coin during the moment of strike, seconds before or seconds after.</p><p>All it really is is a continuation of the coins original design elements.</p><p>Whether it be a shadow, doubled letters, numbers or other design features it is just a doubling of the SAME image.</p><p>All machine doubled coins have a scooting, pushing or pulling (think stretching) of the coins original image.&nbsp; Unlike true doubled dies there is no extra, (new and seperate) design element seen because it&#039;s not there.&nbsp; It&#039;s the same number, letter or other element just continued by this scooting effect.</p><p>When dies deteriorate there is mechanical doubling because the elements have been overpolished or are worn out.&nbsp; Remember the die is negative, (encuse) image of the coin.&nbsp; When they take a die and polish it or it becomes very worn the top portions of the dies image start to &quot;round&quot; out.&nbsp; Being rounded out (instead of crisp and verticle) the finsished image on the struck coin will begin to be/appear spread with extra images to the lettering, date or devices, ie: doubled!</p><p>There is many other types of mechnical type doubling but the key is, &quot;is it a contiuation of the coins original design elements or is it truly something extra hubbed into the die to begin with&quot;?[/QUOTE]</p><p><br /></p>

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