Mewtwo & Mew GX
SM Promos · #SM191/131 · Promo · 2016
All 255 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 2026-07-07
Population data from PriceCharting, updated monthly.
More Mewtwo cards all 255 ranked by value →
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MewtwoLegendary Collection · 2002
Shining MewtwoNeo Destiny · 2002
Mewtwo-GXShining Legends · 2017
Mewtwo δDelta Species · 2005
MewtwoExpedition Base Set · 2002How much is Mewtwo & Mew GX #SM191/131 worth?
Right now (August 22, 2026) the going rate for an ungraded Mewtwo & Mew GX #SM191/131 from SM Promos is about $372.97.
Grading changes the math on this one: a PSA 10 is valued around $3,300.00, roughly 8.8x the raw price, while a PSA 9 sits near $504.28. 18,017 copies have been graded to date, and 51% 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.
