PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $15.16 |
| PSA 7 | $16 |
| PSA 8 | $20.45 |
| PSA 9 | $46.48 |
| PSA 10 | $278.48 |
| BGS 10 | $362 |
| CGC 10 | $36.5 |
| SGC 10 | $167 |
TCGplayer market price: $26.8 (as of 2026-10-20)
Market context: ungraded price +6.7% over 30 days. +1.8% over 90 days. PSA 10 premium: 18.4× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-base-set/pokemon-base-set-grass-energy-1st-edition-99