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<p>[QUOTE=&quot;jcuve, post: 788578, member: 13945&quot;](<i>For anyone interested I am creating tutorials for classes of Doubled Dies on my website</i> <a href="http://www.lincoln-cents.cuvelier.org/index.html" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.lincoln-cents.cuvelier.org/index.html" rel="nofollow">http://www.lincoln-cents.cuvelier.org/index.html</a> <i>- I have I, III, IV and V finished, here is IV)</i></p><p>&nbsp;</p><p><b><u>Class IV (Offset Hub Doubling)</u></b></p><p>&nbsp;</p><p>This class of Doubled Die is produced when two hubbings have their centers misaligned. It is characterized as having doubling that is evenly spread in one direction unlike Classes I &amp; V where the misalignment-event shows rotation at or near the center (I) or at or near the rim (V). Doubling is often rounded, found closer to the center and when identified on numeric or alphabetic characters, shows notching. </p><p>&nbsp;</p><p>It has been hypothesized that the reason many examples do not show doubling near the rim is because the first hubbing only received a partial hubbing. Such an incomplete hubbing would result in design elements not being pressed deep enough in the middle of the die, and not at all along the perimeters; remember the die originates in a conical shape until it is completely pressed down so the outer devices may not have been hubbed the first time around. A few examples that show doubling primarily in the center portions are 1909P DDO-001; 1941P DDO-005 (1DO-006); 1942P DDO-002 (1DO-005); and 1942S DDO-001</p><p>&nbsp;</p><p>Below is a facsimile of a fictitious 1960P with a strongly doubled Class IV DDO. In this case the first hubbing would have been centered and complete with the second hubbing having its center oriented N-NE from the first. It should be noted that this example is showing universal doubling on all design elements (including the whole portrait) which has never been documented.</p><p>&nbsp;</p><p><img src="http://i732.photobucket.com/albums/ww322/jcuve/ClassIVaLCRcopy.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p>&nbsp;</p><p>Below is <b>1983P DDR-001</b>, which exhibits a large spread going North, it is stronger than the above hypothetical, but the central elements only show doubling around the parameter of the memorial and in a few sections of the building itself (like the upper portions of the columns). Notice the notching (a clear indication of hub doubling), rounded secondary images and how the secondary hubbing shifts consistently in one direction.</p><p>&nbsp;</p><p><img src="http://i732.photobucket.com/albums/ww322/jcuve/1983ddrIVLCRcopy.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p>&nbsp;</p><p>Next we will find two overlays demonstrating that the ’83 DDR has simply a wide north shift in the hubbings. In the second picture green is first hubbing followed by red second (the first hubbing appears as if it were on the first).</p><p>&nbsp;</p><p><img src="http://i732.photobucket.com/albums/ww322/jcuve/83DDR-001ClassIV_overlay.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><img src="http://i732.photobucket.com/albums/ww322/jcuve/83DDR-001ClassIV_overlay2.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p>&nbsp;</p><p>&nbsp;1983 DDR-001 details:</p><p>&nbsp;</p><p><img src="http://i732.photobucket.com/albums/ww322/jcuve/1983DDR-001ClassIVa-1.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p>&nbsp;</p><p>Another bold example, yet displaying only a partial first hubbing is <b>1984P DDO-001</b>, with its widely doubled ear, beard details, back of head and bow tie. This DDO also appears to be ever so slightly rotated as the second piece of the bowtie resides further away proportionally than the second ear. If correct, the center of rotation would be off at least a centimeter to the side of the die past IN of IGWT. </p><p>&nbsp;</p><p><img src="http://i732.photobucket.com/albums/ww322/jcuve/1984ClassVILCRcopy.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p>&nbsp;</p><p><img src="http://i732.photobucket.com/albums/ww322/jcuve/1984PDDO-001c-1.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p>&nbsp;</p><p><b>Notches:</b> As has been pointed out by most variety specialists and attributers: notching, even though the doubled areas are shallow, is always, to a degree, present. MD will seemingly smear the doubled area away from the device impacted but it will not leave notches, how could MD leave notches? …Think about it while viewing a fictitious notching diagram of Class IV doubling going south illustrated below. While the degree of doubling is strong, there would be clear evidence of notching whereas MD would have pushed or flattened metal over the areas that display notching. </p><p>&nbsp;</p><p><img src="http://i732.photobucket.com/albums/ww322/jcuve/TESofAM-notch_ClassIVLCR.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p>&nbsp;</p><p>To keep on the present track, our final examples are <b>1909 DDO-001</b> and <b>1942S DDO-001</b>. Like ’84 DDO-001 these DDOs have isolated doubling that is consistent in one direction. An important note is that while to a seasoned variety collector they do not look like Machine Doubling (MD), many illustrations in books and on the web, to a degree, makes it seem similar to MD as the doubling is shallow, nevertheless, there is always notching to a degree. The illustrations that follow have black arrows to show doubled areas and white arrows showing notches. </p><p>&nbsp;</p><p><img src="http://i732.photobucket.com/albums/ww322/jcuve/1942SDDO-001ClassIVLCR.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p>&nbsp;</p><p><img src="http://i732.photobucket.com/albums/ww322/jcuve/1909LCRcopy.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" />[/QUOTE]</p><p><br /></p>

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