PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $2.12 |
| PSA 7 | $3 |
| PSA 8 | $4.25 |
| PSA 9 | $7.51 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-promo/pokemon-japanese-promo-darkness-energy-card