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PSA 10: PriceCharting; refreshed Sep 10, 2026
GemDelta shows Misty's Seaking (Gym Heroes #55) at $7.10 market price (TCGplayer market). Its Delta multiple is 15.3x.
A PSA 10 Misty's Seaking (Gym Heroes #55) is currently shown at $91.51. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 22.0% gem rate for Misty's Seaking (Gym Heroes #55), with 48 PSA 10 copies out of 218 total PSA grades and a 15.3x Delta. That describes the grading profile; it is not financial advice.