Pokémon sets › Japanese Mysterious Mountains › Gyarados
Gyarados #28
Low confidence 4th most valuable of 91 priced cards in Japanese Mysterious Mountains — top 4%
Rough guide — limited market data — pre-2010 condition spread, 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 7.6× the ungraded price — £493.65 raw against £3759.78 graded.
Peaked at £596.74 in June 2026; lowest £116.39 in August 2026. PSA 10 moved +46.5% over a comparable period.
UK price month by month
| Month | UK ungraded |
|---|---|
| May 2026 | £464.96 |
| June 2026 | £596.74 |
| July 2026 | £118.28 |
| August 2026 | £493.65 |
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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