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PSA 10: PriceCharting; refreshed Sep 10, 2026
GemDelta shows Brock's Rhyhorn (Gym Heroes #22) at $20.61 market price (TCGplayer market). Its Delta multiple is 12.0x.
A PSA 10 Brock's Rhyhorn (Gym Heroes #22) is currently shown at $224. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 18.7% gem rate for Brock's Rhyhorn (Gym Heroes #22), with 43 PSA 10 copies out of 230 total PSA grades and a 12.0x Delta. That describes the grading profile; it is not financial advice.