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<p>[QUOTE=&quot;desertgem, post: 566166, member: 15199&quot;]Interesting concept. I think there are a few factors to consider.</p><p><br /></p><p>1. If 2 different die mintmarks did overlap with precision beyond detection, how would you know? Since study is done after the fact, even other diagnostics like scratches, polishing marks, chips, etc. could be considered different die stages rather than different dies.</p><p><br /></p><p>2. The dieworker had experience and practice, and probably struck 99% of the marks with correct orientation and within a very small area of deviation in the designated area, so the % that would be indistinguishable should not be estimated from the total area available for a &quot;normal&quot; mintmark.</p><p><br /></p><p>3. Die deterioration tends to distort the mintmark through die use, and would make determinations difficult. Also wear on a coin tends to increase the width of the mark due to the sides not being true vertical ( except for some proof coins maybe).</p><p><br /></p><p>On the other side, it hasn&#039;t been too long that good digital cameras and photo programs that can&nbsp; measure distances in pixels (or what ever) have become readily available to allow someone to undertake such a study. Such a study of 1960D cents would probably fill a book.:thumb:</p><p><br /></p><p>Jim[/QUOTE]</p><p><br /></p>

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