Front
Method
Border
Left / Right
49.0 / 51.0
Top / Bottom
58.7 / 41.3
Yaw
0.00°
Corner Readings · Millimeters
Top Left
X 2.40 · Y 3.70
Top Right
X 2.50 · Y 3.70
Bottom Left
X 2.40 · Y 2.60
Bottom Right
X 2.50 · Y 2.60
Official Grading Record
2020 · Darkness Ablaze
Condition Profile
RBH Grading Standard
Centering
9.0
Corners
7.5
Edges
7.0
Surface
10.0
Supporting Documentation
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Released Grading Record
Border mode calculates centering and yaw from the recorded corner-border measurements. Landmark mode calculates LR/TB from direct design-landmark distances and records yaw independently when a reliable horizontal or vertical reference is available.
Dimensional measurements are recorded manually in millimeters and are subject to an approximate ±0.1 mm measurement uncertainty. Clockwise yaw is positive (+); counterclockwise yaw is negative (−). “Not measured” means no reliable yaw reference was available.
Method
Border
Left / Right
49.0 / 51.0
Top / Bottom
58.7 / 41.3
Yaw
0.00°
Corner Readings · Millimeters
Top Left
X 2.40 · Y 3.70
Top Right
X 2.50 · Y 3.70
Bottom Left
X 2.40 · Y 2.60
Bottom Right
X 2.50 · Y 2.60
Method
Border
Left / Right
53.1 / 46.9
Top / Bottom
45.8 / 54.2
Yaw
0.00°
Corner Readings · Millimeters
Top Left
X 3.40 · Y 3.30
Top Right
X 3.00 · Y 3.30
Bottom Left
X 3.40 · Y 3.90
Bottom Right
X 3.00 · Y 3.90
Where dimensional measurements are shown, values are recorded manually in millimeters and are subject to an approximate ±0.1 mm measurement uncertainty.
Where dimensional measurements are shown, values are recorded manually in millimeters and are subject to an approximate ±0.1 mm measurement uncertainty.
Documented corner, edge, and surface conditions associated with this grade.
Where dimensional measurements are shown, values are recorded manually in millimeters and are subject to an approximate ±0.1 mm measurement uncertainty.
5 Blemishes
Blemish 01 · Corner
Rear · Top Left
Localized Visible FrayBlemish 02 · Corner
Rear · Bottom Left
Localized Visible FrayBlemish 03 · Corner
Rear · Bottom Right
Localized Visible FrayBlemish 04 · Edge
Front · Bottom
Surface-Intruding DentBlemish 05 · Surface
Rear · C1
Trace Micro-scratchCertified
September 22, 2026
Record Revision
1
This digital record is tied to the exact eight-digit certification number printed on the RBH label. RBH does not expose customer information, grader notes, or private scoring weights in the public registry.