Mewtwo GX
GX Starter Decks · #42/131 · None · 2018JPN
All 266 Mewtwo cards ranked by value →Price history
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Graded values
Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.
PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.
Graded population census · updated 2026-09-17
Population data from PriceCharting, updated monthly.
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MewtwoExpedition Base Set · 2002How much is Mewtwo GX #42/131 worth?
As of October 17, 2026, Mewtwo GX #42/131 from GX Starter Decks sells for around $14.95 in raw, ungraded condition.
Grading changes the math on this one: a PSA 10 is valued around $68.78, roughly 4.6x the raw price, while a PSA 9 sits near $16.00. 142 copies have been graded to date, and 35% of them came back a 10 — worth knowing before you pay grading fees.
Prices on this page refresh nightly from live TCGplayer market data and are cross-checked against actual sold prices, so a single inflated listing never becomes "the price". The chart above has the full history.
