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PSA 10: PriceCharting; refreshed Sep 10, 2026
GemDelta shows Brock's Protection (Gym Challenge #101) at $9.58 market price (TCGplayer market). Its Delta multiple is 9.07x.
A PSA 10 Brock's Protection (Gym Challenge #101) is currently shown at $83.89. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 43.0% gem rate for Brock's Protection (Gym Challenge #101), with 99 PSA 10 copies out of 230 total PSA grades and a 9.07x Delta. That describes the grading profile; it is not financial advice.