Pokémon sets › Base Set › Blastoise [Stage-Error]
![Base Set Blastoise [Stage-Error] Pokémon card](https://pub-4919690d36064f94806d666a71d998a0.r2.dev/Base%20Set/blastoise-stage-error-2.jpg)
Blastoise [Stage-Error] #2
Medium confidence 2nd most valuable of 101 priced cards in Base Set — top 2%
Solid guide price from market data — pre-2010 condition spread, liquid, well-sampled card.
Priced against the UK market and refreshed weekly — adjusted where UK collectors reliably pay above the US average. We have not yet seen enough recent UK activity for this card to read it directly.
Peaked at £492.19 in June 2026; lowest £363.34 in July 2026.
UK price month by month
| Month | UK ungraded |
|---|---|
| May 2026 | £491.63 |
| June 2026 | £469.80 |
| July 2026 | £436.14 |
| August 2026 | £428.59 |
UK guide prices, with the US market alongside — updated 30 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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