Mewtwo [Game-Boy] #150

Japanese Promo · 1999 · Promo

Low confidence 2nd most valuable of 22 priced cards in Japanese Promo — top 9%

Rough guide — limited market data — pre-2010 condition spread, thinner Japanese market data.

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 8.7× the ungraded price — $674.27 raw against $5834.23 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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