My coding system for cymbals is:[list][*]NOS: new old stock (occasionally coded New In Box if original packaging there)[*]Mint: no evidence of wear [*]Excellent: light use and taken care of [*]Good: moderate use showing [*]Fair: showing its age [*]Poor: rough but usable, usually specific faults recorded (eg keyhole)[/list]
With reference to your scale:
10 NOS
9 Mint
Hardware and heads: original,
Shell : perfect condition, unmodified
Finish: perfect condition without fade
8 Mint:
Hardware and heads: original parts, non original heads
Shell: perfect condition, unmodified
Finish: Perfect condition lightly faded, single scratches acceptable
7 Excellent:
Hardware and heads: original parts, non original heads
Shell: Perfect condition, unmodified
Finish: Very good condition lightly to moderate even faded without cracks, single scratches acceptable
6 Excellent:
Hardware and heads: Original parts (mixed era) , non original heads
Shell: Very good condition, unmodified.
Finish: Very good condition moderate even fade without cracks,
several scratches acceptable
5 Good:
Hardware and heads: Most of parts original (mixed era), non original heads
Shell: Good condition, acceptable mod: bearing edge trued(professional).
Finish: Good condition moderate even fade with several cracks,
several scratches acceptable
4 Good:
Hardware and heads: Some of parts original (mixed era), non original heads
Shell: Good condition, acceptable mod: bearing edge trued (professional), single non factory small holes (rail consolette)
Finish: Good condition moderate to heavy even fade with several cracks, several scratches acceptable
3 Fair:
Hardware and heads: Some of parts original (mixed era), non original heads, light corrosion
Shell: Moderate condition (some cracks or corrosion), acceptable mod: bearing edge trued (non professional), bass drum shell drilled for tom mount
Finish: Acceptable condition moderate to heavy uneven fade with cracks, scratches
2 Fair:
Hardware and heads: Some of parts original (mixed era), non original heads, serious corrosion on some elements
Shell: Moderate condition (some cracks or corrosion, or flaking), mod: bearing edge trued (non professional), bass drum shell drilled for tom mount, legs position changed
Finish: Acceptable condition, heavy uneven fade with cracks, scratches, lifted seams, small damaged or missing wrap areas.
1 Poor
Hardware and heads: Some of parts original (mixed era), non original heads, serious corrosion on most of elements
Shell: Poor condition, cracks or heavy corrosion, or flaking, mod: bearing edge trued (non professional), bass drum shell drilled for tom mount, legs position changed, moisture traces,
Finish: Heavy uneven fade with cracks, scratches, lifted seams, large damaged or missing wrap areas.
Hope it is comprehensive somehow. Feel free to update!