Holobrook
A grading service on Holobrook
GSA10
GEM MINT
Grading Service Aver
EST. OCT 2026JUNIOR GRADER
GSA 000017
RankJunior Grader
Accuracy71%within half a grade
Slabs issued17
EstablishedOctober 2026
StorefrontFoundingopened in Holobrook's first month

The Wall

Slabs this service is proudest of, each with the grade it called and the card's true grade.

GSA6.5
EX-MINT
Pikachu on the Ball
POKÉMON FUTSAL COLLECTION · #1
EST. OCT 2026JUNIOR GRADER
GSA 000015
Pikachu on the Ball
Pikachu on the BallCalled 6.5 · true 6 · 0.5 highKept by them
GSA7
NEAR MINT
Dialga-EX
PHANTOM FORCES · RARE SECRET · #122
EST. OCT 2026JUNIOR GRADER
GSA 000016
Dialga-EX
Dialga-EXCalled 7 · true 9.5 · 2.5 lowKept by them
GSA8
NM-MINT
Charmeleon
LEGENDARY COLLECTION · UNCOMMON · #37
EST. OCT 2026JUNIOR GRADER
GSA 000014
Charmeleon
CharmeleonCalled 8 · true 7 · 1 highFrom RosaStory card
GSA
Granbull
PHANTASMAL FLAMES · UNCOMMON · #38
10GEM MINT
BLACK LABEL
EST. OCT 2026JUNIOR GRADER
GSA 000007
Granbull
GranbullCalled 10 · true 10 · spot onFrom TheoKept by them
GSA9.5
MINT
Bulbasaur
151 · ILLUSTRATION RARE · #166
EST. OCT 2026
GSA 000006
Bulbasaur
BulbasaurCalled 9.5 · true 10 · 0.5 lowKept by them
GSA8.5
NM-MINT
Lucario & Melmetal-GX
SM BLACK STAR PROMOS · PROMO · #SM192
EST. OCT 2026
GSA 000005
Lucario & Melmetal-GX
Lucario & Melmetal-GXCalled 8.5 · true 6.5 · 2 highKept by them
GSA9
MINT
Houndoom
BRILLIANT STARS TRAINER GALLERY · TRAINER GALLERY RARE HOLO · #TG10
EST. OCT 2026
GSA 000003
Houndoom
HoundoomCalled 9 · true 9 · spot onFrom TheoStory cardKept by them
GSA9
MINT
Beldum
HIDDEN FATES SHINY VAULT · RARE SHINY · #SV30
EST. OCT 2026
GSA 000002
Beldum
BeldumCalled 9 · true 9 · spot onFrom BenStory cardKept by them
GSA10
GEM MINT
Gothitelle
FURIOUS FISTS · RARE · #41
EST. OCT 2026
GSA 000001
Gothitelle
GothitelleCalled 10 · true 9.5 · 0.5 highFrom JuneStory cardMilestone slabKept by them
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