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<p>[QUOTE=&quot;Insider, post: 2301843, member: 24314&quot;]Here is the problem in a nutshell:&nbsp; In the old technical system, as soon as a coin lost luster from the high points it became an AU.&nbsp; They did not have all the numbers we have today but I&#039;m going to use them in this post.&nbsp; No wear: Unc&nbsp; Trace of wear: Au add a little more wear 55; little more 50.&nbsp; Wear was the only thing that lowered the tech grade!&nbsp; That&#039;s why it was so precise. </p><p><br /></p><p>Adjectives were added to describe the surface so several entries made using the obsolete technical system today might read: </p><p><br /></p><p>1. AU-58, Excessive bag marks.</p><p>2. MS-65, Flat strike.</p><p>3. XF-45, Scratched Obv.&nbsp; </p><p><br /></p><p>Some may notice that &quot;Details graded circulated coins&quot; can be said to reflect Tech. grading because the grade is assigned based on the amount of detail remaining and the problem is stated.&nbsp; Net grading is NOT supposed to be used with &quot;Detail&quot; coins.</p><p><br /></p><p>Now back to the problem above.&nbsp; According to the &quot;Bastardized&quot; ANA system as published in their first grading guide, an AU-58 coin (AU Choice) was to have very little wear and mark free surfaces.&nbsp; An AU-50 coin (AU Typical) was to have an average # of marks.&nbsp; SO THE AMOUNT OF WEAR ON A COIN WAS COMBINED WITH THE CONDITION OF THE SURFACE (# of marks, scratches, hairlines, etc.).&nbsp; Now they were trying to juggle two variables into one.&nbsp; This does not happen in the MS ranges of the book!&nbsp; Once the coin has NTOW it is Unc.&nbsp; Now the surface condition (all lumped together as EYE-APPEAL) determines the coin&#039;s grade. </p><p><br /></p><p>Except for TPGS Market grading where a coins VALUE is added.&nbsp; Now again, graders are trying to combine two variables.&nbsp; Have I lost you yet?&nbsp; That is one reason why grading opinions vary so much![/QUOTE]</p><p><br /></p>

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