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PSA 10: PriceCharting; refreshed Sep 10, 2026
GemDelta shows Porygon (McDonalds 2018 #12) at $13.39 market price (TCGplayer market). Its Delta multiple is 8.69x.
A PSA 10 Porygon (McDonalds 2018 #12) is currently shown at $67.77. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.