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PSA 10: PriceCharting · last PSA 10 sale $350.00 on Aug 16, 2026 · checked Oct 25, 2026
PSA 9: Median of 1 PSA 9 sale in the last 90 days, latest 2026-09-24. Grade 9 guide (all graders): $30.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
GemDelta shows Brock's Rhyhorn (Gym Heroes #70) at $2.29 market price (TCGplayer market). Its Delta multiple is 64.7x.
A PSA 10 Brock's Rhyhorn (Gym Heroes #70) is currently shown at $148. GemDelta labels this as a PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 15.9% gem rate for Brock's Rhyhorn (Gym Heroes #70), with 55 PSA 10 copies out of 347 total PSA grades and a 64.7x Delta. That describes the grading profile; it is not financial advice.
| Date | Listing | Sale |
|---|---|---|
| Aug 16, 2026 | 2000 POKEMON GYM HEROES 1ST ED #70 BROCK'S RHYHORN PSA 10 #70 | $350.00 |