Superboy Vol. 1 #179 - FN-

The ten-point grading scale assigns grades ranging from 10.0 (highest) down to 0.5 (lowest):

10.0 GM Gem Mint
9.9 M Mint
9.8 NM/M Near Mint/Mint
9.6 NM+ Near Mint+
9.4 NM Near Mint
9.2 NM- Near Mint-
9.0 VF/NM Very Fine/Near Mint
8.5 VF+ Very Fine+
8.0 VF Very Fine
7.5 VF- Very Fine-
7.0 FN/VF Fine/Very Fine
6.5 FN+ Fine+
6.0 FN Fine
5.5 FN- Fine-
5.0 VG/FN Very Good/Fine
4.5 VG+ Very Good+
4.0 VG Very Good
3.5 VG- Very Good-
3.0 GD/VG Good/Very Good
2.5 GD+ Good+
2.0 GD Good
1.8 GD- Good-
1.5 FR/GD Fair/Good
1.0 FR Fair
0.5 PR Poor