Walrein EX #99

Power Keepers · 2007 · Rare Holo EX

Medium confidence 18th most valuable of 194 priced cards in Power Keepers — top 9%

Solid guide price from market data — pre-2010 condition spread, liquid, well-sampled card.

Built from United States market data — recent sales of this card in that market, refreshed weekly.

A PSA 10 of this card sells for about 52.2× the ungraded price — $29.50 raw against $1540.17 graded.

We began recording US prices as their own series in August 2026, so there are not yet enough readings to chart a US trend for this card. It will appear here as they accumulate.

US guide prices, with the UK 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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