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<p>[QUOTE=&quot;USS656, post: 492191, member: 6641&quot;]You could not use one coin just like you can not use one sample from any group to form any statistic.&nbsp; Take a large MS/PR group from each mint and each date and start recording data about the coins qualities.&nbsp; You are not looking for the best or worst, just the average to measure others against.&nbsp; The top TPG&#039;s working together could work with the ANA to compile the data and publish the results.&nbsp; Do it just like I stated in my first post - and list the different aspects that influence a grade.&nbsp; The TPG&#039;s probably already have a database of this type of data to help the graders assign grades properly - at least I would hope!&nbsp; If they don&#039;t they have to rely on the expertise of the graders who could walk out the door any time they wish with that expertise in their heads.</p><p>&nbsp;</p><p>It could be done - I&#039;m sure of it - but it would take people working together to make it happen.&nbsp; Standards are developed all the time in the private sector using a similar approach.[/QUOTE]</p><p><br /></p>

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