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PSA 10: PriceCharting; refreshed Sep 10, 2026
GemDelta shows Misty's Tentacool (Gym Heroes #57) at $2.50 market price (PriceCharting raw (eBay sold fallback)). Its Delta multiple is 20.0x.
A PSA 10 Misty's Tentacool (Gym Heroes #57) is currently shown at $49.95. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 12.5% gem rate for Misty's Tentacool (Gym Heroes #57), with 11 PSA 10 copies out of 88 total PSA grades and a 20.0x Delta. That describes the grading profile; it is not financial advice.