Coming Soon — We're building something big. This site is in preview while we get everything ready. Find out more

The UK's professional trading card grading service. Consistent AI-powered grades, NFC tap-to-verify slabs, and a population registry you can trust.

Card Grading

Card Grading UK
Pokémon Grading
Yu-Gi-Oh! Grading
MTG Grading
One Piece Grading
Lorcana Grading
Dragon Ball Grading

Contact Us

support@rktgrading.com
Available on request
Available on request

Registry of Excellence.

Coming Soon — We're building something big. This site is in preview while we get everything ready. Find out more

RKT Grading

The Grading Process Pricing Population Report Blog FAQ Contact

RKT Grading

The UK's professional trading card grading service. Consistent AI-powered grades, NFC tap-to-verify slabs, and a population registry you can trust.

Card Grading

Card Grading UK
Pokémon Grading
Yu-Gi-Oh! Grading
MTG Grading
One Piece Grading
Lorcana Grading
Dragon Ball Grading

Contact Us

support@rktgrading.com
Available on request
Available on request

Registry of Excellence.

Certificate - CLEFFA (00000398) | RKT Grading

Print Certificate

RKT GRADING

Certificate of Authenticity

Card Name

CLEFFA

Production Number

00000398

Collection

RULER OF THE BLACK FLAME 2023

Card Reference

113/108

Edition / Rarity

ILLUSTRATION RARE (JP)

Overall Grade

Legacy Grading System

Centering

Corners

Edges

Surfaces

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/00000398-cleffa

Graded on 30 March 2026