Pokémon sets › Base Set › Booster Pack [Triangle Error]
![Base Set Booster Pack [Triangle Error]](https://pub-4919690d36064f94806d666a71d998a0.r2.dev/Base Set/booster-pack-triangle-error.jpg)
Base Set Booster Pack [Triangle Error]
Sealed market value
£350.00
Guide price in GBP for the UK market, updated 22 June 2026. Estimate for collection tracking — not an appraisal or a quote.
![Booster Box [1st Edition]](https://pub-4919690d36064f94806d666a71d998a0.r2.dev/Base Set/booster-box-1st-edition.jpg)
![Booster Pack [1st Edition]](https://pub-4919690d36064f94806d666a71d998a0.r2.dev/Base Set/booster-pack-1st-edition.jpg)
![Booster Pack [Shadowless]](https://pub-4919690d36064f94806d666a71d998a0.r2.dev/Base Set/booster-pack-shadowless.jpg)