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PSA 10: PriceCharting; last PSA 10 sale Feb 28, 2026
GemDelta shows Brock's Geodude (Gym Heroes #66) at $3.12 market price (TCGplayer market). Its Delta multiple is 30.7x.
A PSA 10 Brock's Geodude (Gym Heroes #66) is currently shown at $92.13. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 17.8% gem rate for Brock's Geodude (Gym Heroes #66), with 60 PSA 10 copies out of 337 total PSA grades and a 30.7x Delta. That describes the grading profile; it is not financial advice.
| Date | Sale |
|---|---|
| Feb 28, 2026 | $150.00 |