The HSN scale does not reflect reality. Since when does 'good" mean
poor? Personally, I don't use it. And some dealers seem to have their
own interpretations... normally very optimistic ones.

When I say a shell (say, for exchange) is good I mean GOOD condition,
though not gem.

>Jim Cordy brought up the topic of shell grading, so i just thought i'd
>review it again - what the heck??
>Good: Not good.   Nasty stuff happening.
>
>Fair: Not fair at all!!!  Recognizeable as the species or form but
>beyond that.....
>
>Poor: Recognizeable as a shell.

If you're lucky.