PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $1301.5 |
| PSA 8 | $699.99 |
| PSA 9 | $825 |
| PSA 10 | $1300 |
| BGS 10 | $1690 |
| CGC 10 | $780 |
| SGC 10 | $780 |
Market context: PSA 10 premium: 1.0× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-base-set/pokemon-base-set-booster-pack-variant-triangle-error-sealed