PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $16.19 |
| PSA 8 | $27.98 |
| PSA 9 | $29.99 |
| PSA 10 | $580.3 |
| BGS 10 | $754 |
| CGC 10 | $55 |
| SGC 10 | $348 |
Market context: ungraded price +1.3% over 30 days. PSA 10 premium: 35.8× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-promo/pokemon-promo-grass-energy-variant-wotc-league-card