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PSA 10: PriceCharting; refreshed Sep 10, 2026
GemDelta shows Silvally GX (Promo #SM91) at $6.67 market price (TCGplayer market). Its Delta multiple is 35.7x.
A PSA 10 Silvally GX (Promo #SM91) is currently shown at $142. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.