N : New , Unused

　 S : Like new

　 A : Excellent condition, No noticeable scratches or stains

  AB : Very good condition, slightly used or new old stock

    B : Good, some scratches, stains & used feeling

    C : Fair, has been used feeling obviously, but still acceptable

    D : Poor, has damages, but still usable    

    E  : Bad heavily used, have damage