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<p>[QUOTE=&quot;tbarreca, post: 739513, member: 21275&quot;]I don&#039;t mind when fellow forumites state raw, unexplained opinions.&nbsp; But I am very uncomfortable when TPGs make important decisions about whether or not to grade a coin based on judgments that inherently have a high level of subjectivity to them, such as whether toning is natural or artificial.&nbsp; In those cases, &quot;I just know based on experience&quot; should not be adequate in my opinion.&nbsp; These judgments can have profound economic implications, and should be made as objectively as possible.</p><p><br /></p><p>Unfortunately, &quot;as objectively as possible&quot; may be not at all objectively, and therein lies the rub.&nbsp; Those things about which objectivity is impossible should not be the basis of major decisions, such as the &quot;slab or bag&quot; decision.[/QUOTE]</p><p><br /></p>

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