PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $25.84 |
| PSA 7 | $26.86 |
| PSA 9 | $167.5 |
| PSA 10 | $700 |
| BGS 10 | $910 |
| CGC 10 | $420 |
| SGC 10 | $420 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-promo/pokemon-japanese-promo-groudon-pokepark-7