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PSA 10: PriceCharting; refreshed Sep 10, 2026
GemDelta shows Slowbro (Great Encounters #54) at $4.57 market price (TCGplayer market). Its Delta multiple is 33.5x.
A PSA 10 Slowbro (Great Encounters #54) is currently shown at $78.43. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 0.00% gem rate for Slowbro (Great Encounters #54), with 0 PSA 10 copies out of 7 total PSA grades and a 33.5x Delta. That describes the grading profile; it is not financial advice.