From an August 2026 cross-check of ACE’s published scale. Checked 2026-08-22. Official page.
Ratios that reach NM-MT 8 but not the grade above, on the front line alone: 67/33 · 68/32 · 70/30.
| Grade | Front | Back |
|---|---|---|
| Gem Mint 10 | 60/40 | 60/40 |
| Mint 9 | 65/35 | 70/30 |
| NM-MT 8 | 70/30 | 75/25 |
| NM 7 | 75/25 | 80/20 |
| EX-MT 6 | 80/20 | 80/20 |
| EX 5 | 80/20 | 80/20 |
| VG-EX 4 | 80/20 | 80/20 |
| VG 3 | 85/15 | 85/15 |
| Good 2 | 85/15 | 85/15 |
| Poor 1 | 85/15 | 85/15 |
NM-MT 8: 70/30 front, 75/25 back.
Mint 9 needs 65/35 front, 70/30 back, against 70/30 for NM-MT 8.
On the published front lines alone: 67/33, 68/32, 70/30 — better than the NM-MT 8 line but not the Mint 9 line. Corners, edges and surface can only hold or lower the grade.
Compare the two borders on each axis: a card whose left border is 57% of left plus right is 57/43. Services judge the worse axis, front and back separately. SlabbyPrep measures both from a photo to a hundredth of a millimetre.
All six services by grade · ACE standards and fees · is it worth grading?