Mewtwo & Mew GX

SM Promos · #SM191/131 · Promo · 2016

All 265 Mewtwo cards ranked by value →
$327.28
Market price ▲ 25.4% (1Y)
Prices as of Sep 28, 2026
18,017graded pop
51%gem rate
-6%off ATH $350.00 · Sep 2026
Market data

Price history

Standard

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Live listings

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Graded market

Graded values

PSA 10 report →updated 2026-09-28
Grade 6 est.$312.62
Grade 5 est.$263.26
Grade 4 est.$217.19
Grade 3 est.$180.99
Grade 2 est.$148.08
Grade 1 est.$125.05

Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.

PSA 10 price history$2,194.00

PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.

Graded population census · updated 2026-09-01

PSA18,017 graded · 9,222 gem 10

Population data from PriceCharting, updated monthly.

More Mewtwo cards all 265 ranked by value →

How much is Mewtwo & Mew GX #SM191/131 worth?

Right now (September 28, 2026) the going rate for an ungraded Mewtwo & Mew GX #SM191/131 from SM Promos is about $327.28.

Grading changes the math on this one: a PSA 10 is valued around $2,194.00, roughly 6.7x the raw price, while a PSA 9 sits near $559.97. 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.

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