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PSA 10: PriceCharting; refreshed Sep 10, 2026
GemDelta shows Chespin (Promo #XY01) at $5.27 market price (TCGplayer market). Its Delta multiple is 16.4x.
A PSA 10 Chespin (Promo #XY01) is currently shown at $71.76. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.