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PSA 10: PriceCharting; refreshed Sep 10, 2026
GemDelta shows Giovanni (Gym Challenge #104) at $17.89 market price (TCGplayer market). Its Delta multiple is 10.4x.
A PSA 10 Giovanni (Gym Challenge #104) is currently shown at $202. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 26.3% gem rate for Giovanni (Gym Challenge #104), with 78 PSA 10 copies out of 297 total PSA grades and a 10.4x Delta. That describes the grading profile; it is not financial advice.