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PSA 10: PriceCharting; refreshed Sep 10, 2026
GemDelta shows Grumpig (Crystal Guardians #20) at $11.22 market price (TCGplayer market). Its Delta multiple is 13.5x.
A PSA 10 Grumpig (Crystal Guardians #20) is currently shown at $175. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 9.49% gem rate for Grumpig (Crystal Guardians #20), with 13 PSA 10 copies out of 137 total PSA grades and a 13.5x Delta. That describes the grading profile; it is not financial advice.
The Reverse Holo version of Grumpig (Crystal Guardians #20) is shown at $11.22 market price. That value is for this stored card variant, not the base printing.