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<p>[QUOTE=&quot;foundinrolls, post: 1803914, member: 4350&quot;]OK,&nbsp; I put this together kinda quick to show you what I mean.</p><p><br /></p><p>First, you have to be certain of what a particular doubled die looks like, whichever one it is.&nbsp; On Kennedys for example, there are Doubled dies (some on obverses, some on reverses, some on both) for almost every date and mint mark combination that I can think of from 1964 to 1977.&nbsp; There are others after that but they are less frequently encountered.</p><p><br /></p><p>I used the relatively well known 1974 D Obverse DDO Kennedy Half for this example.</p><p><br /></p><p>If you look at the image below,&nbsp; you can see the same area duplicated three times with each image being of a different coin and showing different states of die wear and/or circulation wear.</p><p><br /></p><p>The top coin shows an early die state uncirculated piece.&nbsp; On early die state pieces, the details are rounded and the separations (grooves) can easily be seen between the doubled details.</p><p><br /></p><p>The second coin shows a coin that has been struck with the die showing evidence of die wear, also known as a later die state strike.&nbsp; The coin also has some effect of circulation wear.&nbsp; You can see that the grooves are becoming less evident since the raised lines on the die that creates the grooves on the struck coins is wearing out on the die.</p><p><br /></p><p>The third coin in the image is one that has been struck by a very late state die.&nbsp;&nbsp; There is also heavy circulation wear.&nbsp; There are almost no grooves visible.</p><p><br /></p><p>I am not going into other things like &quot;notches&quot; at this point because I can teach this point by just using the grooves or the lack thereof.</p><p><br /></p><p>Now,&nbsp; what I am talking about when I use the term &quot;footprint&quot; , (that&#039;s my own term for it)&nbsp; is that even in the different die states or points of wear,&nbsp; if you compare the upper picture to the pictures below it,&nbsp; you can see that even minus the grooves, the shape of the lettering is the same.&nbsp; They take up the same space on each coin.&nbsp; They are misshapen in the same way.&nbsp; The lower coins just show less of the details that would easily indicate that the coin is a doubled die.</p><p><br /></p><p>If you look at the images you posted above of machine doubling,&nbsp; The letters are cut and scraped by the die.&nbsp; Basically, the metal is pushed around to cause the appearance of doubling.&nbsp; But it is just damage to the surface of the coin caused by die movement during the strike.&nbsp; Whereas a doubled die has the doubling added to the coin by the details actually having been doubled on the die itself.</p><p><br /></p><p>Here&#039;s the image:</p><p><br /></p><p>[ATTACH=full]293578[/ATTACH][/QUOTE]</p><p><br /></p>

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