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CGC Cards 8: centering requirements

Read from CGC Cards’ grading scale page. Checked 2026-09-20. Official page.

NM/Mint 8: 65/35 front

“For sports and non-sports cards, centering must be 65/35 or better.”

Measure your card against this line →

Either side of it

Ratios that reach NM/Mint 8 but not the grade above, on the front line alone: 62/38 · 63/37 · 65/35.

CGC Cards, every grade

GradeFrontBack
Pristine 1050/50
Gem Mint 10~55/4575/25
Mint+ 9.5
Mint 960/4090/10
NM/Mint+ 8.5
NM/Mint 865/35
Near Mint+ 7.565/35
Near Mint 770/30
Ex/NM+ 6.5
Ex/NM 675/25
Excellent+ 5.5
Excellent 5
VG/Ex+ 4.585/15
VG/Ex 4
Very Good+ 3.590/10
Very Good 3
Good 2
Fair 1.5
Poor 1

Questions

What centering does CGC require for a 8?

NM/Mint 8: 65/35 front. As published: "For sports and non-sports cards, centering must be 65/35 or better."

How much better does centering have to be for a CGC 8.5?

CGC publishes no centering figure for NM/Mint+ 8.5.

Which centering ratios reach exactly a CGC 8?

On the published front lines alone: 62/38, 63/37, 65/35 — better than the NM/Mint 8 line but not the NM/Mint+ 8.5 line. Corners, edges and surface can only hold or lower the grade.

How is the ratio measured?

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.

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