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PSA 10: PriceCharting; refreshed Sep 10, 2026
GemDelta shows Marshtomp (POP Series 3 #15) at $12.29 market price (TCGplayer market). Its Delta multiple is 25.3x.
A PSA 10 Marshtomp (POP Series 3 #15) is currently shown at $134. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 16.9% gem rate for Marshtomp (POP Series 3 #15), with 10 PSA 10 copies out of 59 total PSA grades and a 25.3x Delta. That describes the grading profile; it is not financial advice.