PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $1197.36 |
| PSA 8 | $699.99 |
| PSA 9 | $825 |
| PSA 10 | $1469 |
| BGS 10 | $1910 |
| CGC 10 | $881 |
| SGC 10 | $881 |
Market context: ungraded price +5.5% over 30 days. PSA 10 premium: 1.2× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-base-set/pokemon-base-set-booster-pack-variant-triangle-error-sealed