Looks New
N — Brand New, never used
NS — Like New, unused, may show slight storage handling
S — Excellent, very lightly used with almost no wear

Looks Excellent with Light Use
SA — Near Excellent, light gentle wear
A — Very Good, minor normal wear

Looks Used
AB — Good, visible wear such as small scratches or corner rubbing
B — Fair, noticeable wear and flaws

Looks Well-Loved
C — Well-Used, heavy wear or damage