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<p>[QUOTE=&quot;Insider, post: 2683530, member: 24314&quot;]As has been stated by others in this thread, <b>the line between AU and BU is a floating, variable thing with a virtually impossible solution</b> until the computer becomes involved and a grade is locked in.</p><p><br /></p><p>Grading is subjective.&nbsp; It depends on the eyesight, magnification, knowledge, experience, personal preferences of the examiner, etc. </p><p><br /></p><p>One instructor used these two examples in class to answer a question similar to Brian&#039;s: There is an open cluster of stars called the Pleiades or the &quot;Seven Sisters.&quot;&nbsp; How many stars are in the cluster?&nbsp; Most will say seven; yet with good eyesight you can make out fourteen.&nbsp; With higher magnification dozens more.&nbsp; So how many stars are in the cluster? </p><p><br /></p><p>Get it? What will Brian&#039;s coin grade?&nbsp; Depends on the magnification used and the knowledge of the grader.</p><p><br /></p><p>A similar thing happened when the instructor testified in a Federal Trade Commission Case.&nbsp; A group of professional dealers and expert graders graded the same $20 as AU-58 or MS-65.&nbsp; If you saw the friction or if it mattered, the coin was AU.&nbsp; If you didn&#039;t see the friction or it did not matter, the coin was a &quot;gem!&quot;[/QUOTE]</p><p><br /></p>

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