PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $6.9 |
| PSA 9 | $28.43 |
| PSA 10 | $69.99 |
| BGS 10 | $91 |
| CGC 10 | $50 |
| SGC 10 | $42 |
TCGplayer market price: $19.98 (as of 2026-10-20)
Market context: ungraded price -1.3% over 30 days. +55.8% over 90 days. PSA 10 premium: 10.1× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-rulers-of-the-heavens/pokemon-japanese-rulers-of-the-heavens-grumpig-1st-edition-30