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PSA 10: PriceCharting; refreshed Sep 10, 2026
GemDelta shows Dark Blastoise (Legendary Collection #4) at $213 market price (TCGplayer market). Its Delta multiple is 13.8x.
A PSA 10 Dark Blastoise (Legendary Collection #4) is currently shown at $996. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 8.39% gem rate for Dark Blastoise (Legendary Collection #4), with 36 PSA 10 copies out of 429 total PSA grades and a 13.8x Delta. That describes the grading profile; it is not financial advice.