Pokémon sets › Japanese 20th Anniversary [1st-Edition] › Blastoise EX [1st-Edition]

Japanese 20th Anniversary [1st-Edition] Blastoise EX [1st-Edition] Pokémon card

Blastoise EX [1st-Edition] #21

Japanese 20th Anniversary [1st-Edition] · 2016 · Double Rare

Ungraded · UK

£15.69

PSA 10 · UK

£66.18

Ungraded · US

$18.00

PSA 10 · US

$89.68

Medium confidence 28th most valuable of 103 priced cards in Japanese 20th Anniversary [1st-Edition]

Solid guide price from market data — liquid, well-sampled card, thinner Japanese market data.

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.

A PSA 10 of this card sells for about 4.2× the ungraded price — £15.69 raw against £66.18 graded.

UK ungraded · 15 readings, May 2026 to Aug 2026 -42.8%

30 days-1.8% 90 days-46.0%

Peaked at £29.18 in June 2026; lowest £15.58 in August 2026. PSA 10 moved -5.6% over a comparable period.

UK price month by month

Month	UK ungraded
May 2026	£29.06
June 2026	£22.20
July 2026	£15.97
August 2026	£15.69

UK guide prices, with the US market alongside — updated 29 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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