N:Brand New(unused)
NS:Mint condition/like unused
S:Near mint condition/like unused
SA:Excellent condition/slightly used
A:Excellent condition/a few mark of used
AB:Very good condition/some mark of used
B:Good condition/noticeable used
BC:Fair condition/obviously used
C:Poor condition/obviously used
D:Bad condition/Heavily used
F:Junk/seriously damaged must repair