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Sheldon Scale labels for lower grades - BS-1 vs PO-1
It's my understanding that the original Sheldon scale had, as the three lowest grades, Basal State-1, Fair-2 and Very Fair-3. The modern scale equivalents are PO-1, FR-2 and AG-3. All three top tier TPGs agree on this. I'm trying to document the transition. I learned Sheldon grading from the 1983 Charleton catalogue… -
Re: Sheldon Scale labels for lower grades - BS-1 vs PO-1
My recollection of the late 70's definition for "Poor" is "clear enough to identify". "Fair" was something like "date and letters readable". I still have an early large cent (somewhere) given to me by my step grandmother in 1975. It's presumably "basal state" and maybe worse. Nothing is visible on the reverse and the… -
Re: Sheldon Scale labels for lower grades - BS-1 vs PO-1
I have a 1977 Charlton and it uses the term Poor so it must have changed sometime before then. -
Re: Sheldon Scale labels for lower grades - BS-1 vs PO-1
In Sheldon, Basal State was defined as being "identifiable and unmutilated," including the variety, but not necessarily a readable date. This implies a state of decrepitude beyond BS, but as it would probably have a numerical grade of 0, according to Sheldon, it would have no value. -
Re: Sheldon Scale labels for lower grades - BS-1 vs PO-1
When you can tell the Type of coin but the date is worn away, that’s Basal state. Liberty and shield nickels excel at this. -
Re: Sheldon Scale labels for lower grades - BS-1 vs PO-1
You could look at the grading descriptions in the Red Book as a starting point. My '77 or '78 edition already used it. I have older ones, but not with me.
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