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<p>[QUOTE=&quot;imrich, post: 2457211, member: 22331&quot;]I believe that objective adjudication would establish that the current A.N.A. grading system, when properly applied, generally accounts for 4 of the 5 factors you&#039;ve desired, and the 5th subjective factor is considered by suffixes as +, PL, DMPL, etc..</p><p><br /></p><p>Toning, which some would like to include as a grading factor, is a varying degradation process, generally known as &quot;Tarnish&quot;. It is a product of chemical reaction between a metal and a nonmetallic compound, often oxygen and sulfide dioxide. It may be a continuously changing process during the &quot;life&quot; of the coin, possibly severely de-grading. This factor is already stated in the grading process, as an elevated degree of &quot;toning&quot; can be horrendously &quot;ugly&quot;. Often the MS70 (ultimately perfect grade) standard states: Must have full mint luster and brilliance, or &quot;light toning&quot;.</p><p><br /></p><p>This degradation process isn&#039;t necessarily suspended by current encapsulation process, generally requiring evacuation, inert gas inclusion, and a hermetically sealed enclosure.</p><p><br /></p><p>It&#039;s believed that instantaneous grading of this process is foolhardy. possibly resulting in future liability.</p><p><br /></p><p>JMHO[/QUOTE]</p><p><br /></p>

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