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PSA 10: PriceCharting · last PSA 10 sale $255.39 on Sep 11, 2026 · checked Oct 25, 2026
PSA 9: Median of 4 PSA 9 sales in the last 90 days, latest 2026-10-10. Grade 9 guide (all graders): $41.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
GemDelta shows Brock's Geodude (Gym Heroes #38) at $4.90 market price (TCGplayer market). Its Delta multiple is 46.5x.
A PSA 10 Brock's Geodude (Gym Heroes #38) is currently shown at $228. GemDelta labels this as a PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 17.3% gem rate for Brock's Geodude (Gym Heroes #38), with 41 PSA 10 copies out of 237 total PSA grades and a 46.5x Delta. That describes the grading profile; it is not financial advice.
| Date | Listing | Sale |
|---|---|---|
| Sep 11, 2026 | Pokemon Brock's Geodude 038/132 Gym Heroes 2000 1st Edition #038 POP 41 - PSA 10 | $255.39 |