N

 A brand-new item that has never been used

S

 Unused goods may have slight damage due to display
 or long-term storage, although they have not been used.

SA

 Refers to a gently used item that has been used only
 a few times and is in excellent condition, closely resembling a new item.

A+

 The item has been used and may have some minor scratches
 or wear, but it is still in excellent condition with minimal signs of use.

A

 The item has some signs of use. There are minor scratches and
 dirt from normal use, but it is still a beautiful item.

A-

 This item has signs of use. There are minor to moderate
 scratches and stains, but it is recommended for those who
 do not mind small details.

AB+

 This item has significant signs of use. There are scratches, stains,
 and they may be noticeable.

AB

 This item shows heavy signs of use and is not in good condition.
 There are many scratches and stains, which may be noticeable.