Brock's Onix #21 PSA 10 Price
Gym Heroes · #21 · Rare
$340range $289 – $391medium confidence
Fair buy ≈ $289 · fair sell ≈ $391 · liquidity: Thin (0 PSA 10 sales/90d)
⚠ Thin data — this PSA 10 estimate rests on limited recent sales. Treat as a guide.
PSA population
PSA has graded 53 copies of Brock's Onix at PSA 10 out of 297 total PSA graded — a 18% gem (PSA 10) rate. Low graded supply and few recent sales mean the price can move sharply.
PSA 10 vs other grades
FAQ
How much is Brock's Onix #21 worth in PSA 10?
A PSA 10 Brock's Onix (Gym Heroes #21) is worth about $340, typically 289–391, based on recent real sold prices.
Is it worth grading Brock's Onix?
A PSA 10 sells for roughly 26× the raw price ($340 vs $13) — worth weighing against grading fees and the odds of a 10.
How many Brock's Onix PSA 10 exist?
PSA has graded 53 copies of Brock's Onix at PSA 10 out of 297 total PSA graded.