PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $6.75 |
| PSA 8 | $13.5 |
| PSA 9 | $15 |
| PSA 10 | $178.99 |
| BGS 10 | $233 |
| CGC 10 | $40.5 |
| SGC 10 | $107 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-gx-battle-boost/pokemon-japanese-gx-battle-boost-darkrai-gx-64