Pokémon sets › Japanese Promo › Computer Error
Computer Error
High confidence 25th most valuable of 24 priced cards in Japanese Promo
Based on recent UK sold prices — 45 recent UK sale(s).
Read directly from the UK market — 45 recent listings for this exact card, refreshed weekly.
Peaked at £9.57 in August 2026; lowest £5.85 in July 2026. PSA 10 moved -1.2% over a comparable period.
UK price month by month
| Month | UK ungraded |
|---|---|
| June 2026 | £6.66 |
| July 2026 | £5.99 |
| August 2026 | £5.98 |
UK guide prices, with the US market alongside — updated 28 August 2026. Each market is priced from real market data in that market. Estimates for collection tracking — not an appraisal or a quote.
Check recent UK sold prices on eBay →
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![Entei [Reverse Holo]](https://pub-4919690d36064f94806d666a71d998a0.r2.dev/Japanese%20Promo/entei-reverse-holo-244.jpg)
