Grade A (Excellent)

Appearance: Perfect upon initial observation

Screen: Only a few, if any, barely noticeable scratches that can only be seen when closely examined or when viewed/rotated under light

Housing/bezel: Only a few, if any, minor imperfections that are only visible upon close inspection

Grade B (Good)

Appearance: There are slight signs of usage.

Screen: The screen might have a few to several faint, small scratches, which are only visible when viewed closely or rotated under light.

Housing/bezel: The housing/bezel may have several blemishes, including scratches and scuffs that are visible upon a quick inspection.

Grade C (Fair)

Appearance: Used

Screen: The screen has numerous faint scratches and a few more noticeable scratches that are visible upon a quick inspection.

Housing/bezel: The housing/bezel may have several blemishes, such as scratches and scuffs, that are visible upon a quick inspection.