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Beckett (BGS) 10: centering requirements

From Beckett’s own grading page as archived on 2026-07-14 (beckett.com blocks automated reading; it was offline from 2026-09-09 until its online submission center was restored, by 2026-10-15). Checked 2026-07-14. Official page.

Pristine 10 / Black Label: 50/50 front, 55/45 back

“50/50 all around on front. 55/45 or better on back.”

Measure your card against this line →

Either side of it

On the front line alone, a worst axis of 50/50 meets the Pristine 10 / Black Label line, the top published line. Ratio pages: 50/50.

Beckett (BGS), every grade

GradeFrontBack
Pristine 10 / Black Label50/5055/45
Gem Mint 9.555/4560/40
Mint 955/4570/30
NM-MT+ 8.5——
NM-MT 860/4080/20
NM+ 7.5——
NM 765/3590/10
EX-MT+ 6.5——
EX-MT 670/3095/5
EX+ 5.5——
EX 575/2595/5
VG-EX+ 4.5——
VG-EX 480/20100/0
VG+ 3.5——
VG 385/15100/0
G+ 2.5——
Good 290/10100/0
Poor 1100/0100/0

Questions

What centering does BGS require for a 10?

Pristine 10 / Black Label: 50/50 front, 55/45 back. As published: "50/50 all around on front. 55/45 or better on back."

Which centering ratios reach exactly a BGS 10?

On the published front lines alone, a worst axis of 50/50 meets the Pristine 10 / Black Label line, the top published line. Of the ratios with their own page: 50/50. 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 reads both from a photo and shows each border to a hundredth of a millimetre; on synthetic test photos, 97% of the readings it shows without a warning are within 1 percentage point (the methodology page has the full results).

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