Pokémon sets › Japanese GX Ultra Shiny › Mysterious Treasure

Japanese GX Ultra Shiny Mysterious Treasure Pokémon card

Mysterious Treasure #119

Japanese GX Ultra Shiny · 2018 · No Rarity

Ungraded · UK

£2.99

PSA 10 · UK

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Ungraded · US

$5.15

PSA 10 · US

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Low confidence 154th most valuable of 278 priced cards in Japanese GX Ultra Shiny

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.

UK ungraded · 15 readings, May 2026 to Aug 2026 -7.1%

30 days-9.7% 90 days-7.4%

Peaked at £4.64 in June 2026; lowest £2.99 in August 2026.

UK price month by month

Month	UK ungraded
May 2026	£3.23
June 2026	£4.64
July 2026	£3.31
August 2026	£2.99

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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