Category Archives: 32-point grading scale

Viewpoint: Grading system needs linear steps

By Paul Richards
Years ago, I was an active shirt-pocket coin dealer, and I wrote an article about the grading services and about the 70-point coin grading scale.
The original article was published by Coin World, and its subsequent criticism caused me to drop the subject completely. Now, 15 years later, it may be time to dredge it up again!
The article proposes a new “linear” 32-point grading scale in contrast to today’s “non-linear” 70-point scale

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