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<p>[QUOTE=&quot;calcol, post: 24698144, member: 77639&quot;]NGC is using the 10-point scale for coins from 1982 onward at the submitter’s discretion.&nbsp; 70-point grading is still available for these coins.&nbsp; According to NGC, a grade of 10.0 on the 10-point scale is equivalent to 70 on the 70-point scale.&nbsp; This seems simple until you try to convert other values.</p><p><br /></p><p>Not so bad going from 10-point to 70-point scale.&nbsp; Just multiply by 7.&nbsp; So, a 4.3 coin on the 10-point scale is a 30.1 coin on the 70-point scale.&nbsp; This increases the number of possible numerical grades on the 70-point scale to 101 because that’s how many grades there are on the 10-point scale.</p><p><br /></p><p>The real fun is going the other way from 70-point scale to 10-point scale where you divide by 7.&nbsp; So, an AU55 coin becomes a 7.857143… coin on the 10-point scale!&nbsp; Yup, definitely going to send all my modern coins to be regraded on the 10-point scale.</p><p><br /></p><p>Cal[/QUOTE]</p><p><br /></p>

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