Certificate of Authenticity
Card Name
CORNERSTONE MASK OGERPON EX
Production Number
00015724
Collection
TRANSFORMATION MASK 2024
Card Reference
128/101
Edition / Rarity
SPECIAL ILLUSTRATION RARE (JP)
Overall Grade
9
Legacy Grading System
Centering
10
Corners
9
Edges
9
Surfaces
8
This certificate confirms that this card was authenticated and graded by RKT Grading under our legacy grading system. Verify at rktgrading.com/population-report/legacy/00015724-cornerstone-mask-ogerpon-ex
Graded on 30 March 2026