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PSA 10: PriceCharting; refreshed Sep 10, 2026
GemDelta shows Rocket's Minefield Gym (Gym Challenge #119) at $2.50 market price (PriceCharting raw (eBay sold fallback)). Its Delta multiple is 21.2x.
A PSA 10 Rocket's Minefield Gym (Gym Challenge #119) is currently shown at $53.00. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 27.9% gem rate for Rocket's Minefield Gym (Gym Challenge #119), with 12 PSA 10 copies out of 43 total PSA grades and a 21.2x Delta. That describes the grading profile; it is not financial advice.