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PSA 10: PriceCharting; refreshed Sep 10, 2026
GemDelta shows Mustard (Brilliant Stars #TG28) at $1.73 market price (TCGplayer market). Its Delta multiple is 13.9x.
A PSA 10 Mustard (Brilliant Stars #TG28) is currently shown at $26.88. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.