Loading
Computer Error — PSA 9 Price & Value
Unnumbered Vintage Promos (pre-2001) · Japanese
PSA 9 · Mint — median market value
$46
Range $46–$46PSA 9 reference value≈ 11× the ungraded price
The PSA 9 Computer Error from Unnumbered Vintage Promos (pre-2001) (Japanese) has a median market value of $46, an estimated reference value from aggregated sold data — about 11× the ~$4 ungraded price. See the full price history and live chart on the Computer Error card page.
Computer Error price by grade
Frequently asked
How much is a PSA 9 Computer Error worth?
The PSA 9 Computer Error from Unnumbered Vintage Promos (pre-2001) (Japanese) has a median market value of $46 — an estimated reference value from aggregated sold data.
Is a PSA 9 Computer Error worth more than ungraded?
Yes. A PSA 9 copy has a median value of $46 versus about $4 ungraded — roughly a 11× premium for the PSA 9 grade.
Where do PokéTT's PSA 9 prices come from?
PokéTT tracks real graded sales across eBay, Yahoo Auctions and Mercari, then shows the median within the PSA 9 grade — not a single outlier sale — so the mark reflects the true market.