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PSA 10: PriceCharting; refreshed Sep 10, 2026
GemDelta shows Slowbro (Great Encounters #54) at $11.12 market price (TCGplayer market). Its Delta multiple is 17.3x.
A PSA 10 Slowbro (Great Encounters #54) is currently shown at $174. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 20.0% gem rate for Slowbro (Great Encounters #54), with 4 PSA 10 copies out of 20 total PSA grades and a 17.3x Delta. That describes the grading profile; it is not financial advice.
The Reverse Holo version of Slowbro (Great Encounters #54) is shown at $11.12 market price. That value is for this stored card variant, not the base printing.