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Computer Error — PSA 10 Price & Value
Unnumbered Vintage Promos (pre-2001) · Japanese
PSA 10 · Gem Mint — median market value
$900
Range $900–$900PSA 10 reference value≈ 225× the ungraded price
The PSA 10 Computer Error from Unnumbered Vintage Promos (pre-2001) (Japanese) has a median market value of $900, an estimated reference value from aggregated sold data — about 225× 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 10 Computer Error worth?
The PSA 10 Computer Error from Unnumbered Vintage Promos (pre-2001) (Japanese) has a median market value of $900 — an estimated reference value from aggregated sold data.
Is a PSA 10 Computer Error worth more than ungraded?
Yes. A PSA 10 copy has a median value of $900 versus about $4 ungraded — roughly a 225× premium for the PSA 10 grade.
Where do PokéTT's PSA 10 prices come from?
PokéTT tracks real graded sales across eBay, Yahoo Auctions and Mercari, then shows the median within the PSA 10 grade — not a single outlier sale — so the mark reflects the true market.