S : Brand-new, sealed item, box in very good condition
A++: Brand-new, unopened item, box may show some wears
A+: Box opened, item appears to be untouched, not removed from original plastic blisters, box may show some wears
A : Box opened, item briefly used, in very good condition, box may show some wears
B+: Used, item in very good condition, box may show some wears
B: Used, item in good condition, may have minor blemishes, box may show some wears
C: Used, item and box has significant damages