Pokémon sets › Japanese Terastal Festival › Seaking [Master-Ball]

Japanese Terastal Festival Seaking [Master-Ball] Pokémon card

Seaking [Master-Ball] #29

Japanese Terastal Festival · 2024 · No Rarity

Ungraded · UK

£3.72

PSA 10 · UK

£20.94

Ungraded · US

$4.80

PSA 10 · US

$28.37

Low confidence 105th most valuable of 482 priced cards in Japanese Terastal Festival

Rough guide — limited market data — 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 5.6× the ungraded price — £3.72 raw against £20.94 graded.

UK ungraded · 15 readings, May 2026 to Aug 2026 -4.6%

30 days-5.6% 90 days-4.9%

Peaked at £3.97 in June 2026; lowest £3.69 in August 2026. PSA 10 moved -0.9% over a comparable period.

UK price month by month

Month	UK ungraded
May 2026	£3.91
June 2026	£3.97
July 2026	£3.94
August 2026	£3.72

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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