I am a CANON user.

10
- Brand new condition without flaws.
9.5 ~ 9.9
- Like new condition without much flaws. Flaws are surely not obvious.
9.0 ~ 9.4
- Mint condition. Only super minor flaws are found and flaws are usually not obvious.
8.0 ~ 8.9 - Excellent condition with minor scratches & minor surface dirt. A bit more obvious flaws are found compare to mint condition.
7.0 ~ 7.9 - Very good condition. Item has even more scratches & surface dirt compare to excellent condition. May has minor color change or soften on leather area due to usage. Sign of wear are expected.
6.0 ~ 6.9 - Good condition with obvious dirt or scratches. A more color change or more soften may happen on leather area. More sign of wear are expected.
5.0 ~ 5.9 - Fair condition. More scratches & dirt found. More obvious flaws are found. Serious sign of wear are expected.
1.0 ~ 4.9 - Bad condition. Damaged, cracked or broken. May need repair service.
* Higher score has better condition.