Mewtwo & Mew GX

SM Promos · #SM191/131 · Promo · 2016

$338.45

Market price ▲ 7.4% (30d)

Prices as of Jul 26, 2026

18,017graded pop

51%gem rate

5.1×PSA 10 vs raw

-11%off ATH $328.35 · Jul 2026

+$730.56EV to grade — worth it

Price history

Holofoil▲ 0.2% 7d$338.45

Low $304.00Mid $434.99

Loading chart…

Buy it now on eBay

Loading live listings…

Live from eBay · affiliate links support CardPrice · see recent sold results →

Shop live eBay listings →Recent eBay sold results

Graded values

updated 2026-07-27

Grade 6 est.$276.22

Grade 5 est.$232.61

Grade 4 est.$191.90

Grade 3 est.$159.92

Grade 2 est.$130.84

Grade 1 est.$110.49

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$1,722.50

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

Graded population census · updated 2026-07-07

PSA18,017 graded · 9,222 gem 10

12345678910

Population data from PriceCharting, updated monthly.

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

Right now (July 27, 2026) the going rate for an ungraded Mewtwo & Mew GX #SM191/131 from SM Promos is about $338.45.

Grading changes the math on this one: a PSA 10 is valued around $1,722.50, roughly 5.1x the raw price, while a PSA 9 sits near $435.00. 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.