Grumpig #20 — Ultradimensional Beasts

PriceCharting market prices as of 2026-08-29:

Market context: ungraded price -60.2% over 30 days. -60.2% over 90 days.

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Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-ultradimensional-beasts/pokemon-japanese-ultradimensional-beasts-grumpig-20