PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $6.86 |
| PSA 9 | $65 |
| PSA 10 | $69.99 |
| BGS 10 | $91 |
| CGC 10 | $42 |
| SGC 10 | $42 |
TCGplayer market price: $11.99 (as of 2026-08-29)
Market context: ungraded price +54.9% over 30 days. +97.7% over 90 days. PSA 10 premium: 10.2× 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