Rank N - Brand new. Fresh from the boutique.
Rank S - Unused, can pass as brand new item.
Rank SA - Good as new, without flaws or signs of use(mint or excellent condition)
Rank A - Almost new, with minor/ hardly noticeable flaws and usually eliminated by bag SPA treatment
Rank AB - Good condition, with minor but negligible signs of use (watermarks, soft handles, minor scratches)
Rank B - Good condition, with signs of use (slightly wear or tear, watermarks).
Rank C - Exterior part is still okay, but inside the bag has smell, tear in handle, and loose stiches.