Pokémon sets › Japanese Sun & Moon Promos › Mewtwo GX
Mewtwo GX #363SM-P
Medium confidence 8th most valuable of 162 priced cards in Japanese Sun & Moon Promos — top 5%
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 1.7× the ungraded price — £1190.25 raw against £2054.01 graded.
Peaked at £1220.89 in June 2026; lowest £1182.18 in August 2026. PSA 10 moved -21.4% over a comparable period.
UK price month by month
| Month | UK ungraded |
|---|---|
| June 2026 | £1220.89 |
| July 2026 | £1211.22 |
| August 2026 | £1190.25 |
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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