PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $7.4 |
| PSA 7 | $55.13 |
| PSA 8 | $88.66 |
| PSA 9 | $98 |
| PSA 10 | $900 |
| BGS 10 | $1170 |
| CGC 10 | $250 |
| SGC 10 | $540 |
Market context: ungraded price +47.7% over 30 days. +52.9% over 90 days. PSA 10 premium: 121.6× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-promo/pokemon-japanese-promo-computer-error-card