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Brock's Onix #21 1st Edition PSA 10 Price
Gym Heroes · #21 · 1st Edition · PSA 10 graded
Market value · 1st Edition PSA 10
$285
PriceCharting graded
Printing1st Edition
GradePSA 10
vs raw 1st edition19.0×
Raw 1st edition$15
1st Edition PSA 10 copies for sale right now
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1st Edition PSA 10 price history
Latest $285 · ▲ 66% since Sep 21 · range $63–$285
PriceCharting 1st edition PSA 10 history, 1 Sept 2021 – 1 Jul 2026.
PSA 10 vs raw 1st Edition
Grading a clean 1st edition Brock's Onix to PSA 10 turns roughly $15 into about $285 — a ~19× uplift. The gap is why authenticated, high-grade 1st edition copies are chased so hard; for the raw price see the 1st Edition page.
Frequently asked questions
How much is a PSA 10 1st edition Brock's Onix #21 worth?
A PSA 10 1st Edition Brock's Onix (Gym Heroes #21) is worth about $285, based on PriceCharting's graded sales history.
Is the 1st edition Brock's Onix worth grading to PSA 10?
A PSA 10 sells for roughly 19.0× the raw 1st edition price ($285 vs $15) — a large uplift, but only for a copy clean enough to reach PSA 10.
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Citation
Brock's Onix (Gym Heroes #21) 1st Edition PSA 10 — Pokémon market value $285. Source: CardTrack, https://cardtrack.com/pokemon/card/gym-heroes/brock-s-onix-21/1st-edition/psa-10