PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $9.47 |
| PSA 7 | $59 |
| PSA 8 | $98.38 |
| PSA 9 | $99.98 |
| PSA 10 | $900 |
| BGS 10 | $1170 |
| CGC 10 | $309.71 |
| SGC 10 | $540 |
Market context: ungraded price +29.4% over 30 days. +87.2% over 90 days. PSA 10 premium: 95.0× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-promo/pokemon-japanese-promo-computer-error-card