Umbreon [Cosmos-Holo] #120

Lost Thunder · 2018 · Rare

Medium confidence 15th most valuable of 421 priced cards in Lost Thunder — top 4%

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

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 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.

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