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PSA 10: PriceCharting; refreshed Sep 10, 2026
GemDelta shows Slowking (HeartGold & SoulSilver #12) at $41.28 market price (TCGplayer market). Its Delta multiple is 12.4x.
A PSA 10 Slowking (HeartGold & SoulSilver #12) is currently shown at $233. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 3.45% gem rate for Slowking (HeartGold & SoulSilver #12), with 4 PSA 10 copies out of 116 total PSA grades and a 12.4x Delta. That describes the grading profile; it is not financial advice.