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 - GYARADOS GX (00000330) | RKT Grading

Print Certificate

RKT GRADING

Certificate of Authenticity

Card Name

GYARADOS GX

Production Number

00000330

Collection

SM BLACK STAR PROMOS 2016

Card Reference

SM212

Edition / Rarity

PROMO

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/00000330-gyarados-gx

Graded on 30 March 2026