Mewtwo GX

GX Starter Decks · #42/131 · None · 2018JPN

$7.47
Market price 0.0% (1Y)
Prices as of Jul 26, 2026
192graded pop
41%gem rate
7.4×PSA 10 vs raw
-11%off ATH $5.62 · Nov 2024
$0.46EV to grade — don't

Price history

Holofoil 0.0% 7d$7.47
Low $2.00Mid $4.66High $7.31

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Graded values

updated 2026-07-26
Grade 6 est.$4.75
Grade 5 est.$4.00
Grade 4 est.$3.30
Grade 3 est.$2.75
Grade 2 est.$2.25
Grade 1 est.$1.90

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$55.41

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

Graded population census · updated 2026-07-08

CGC138 graded · 49 gem 10
PSA54 graded · 29 gem 10

Population data from PriceCharting, updated monthly.

How much is Mewtwo GX #42/131 worth?

As of July 26, 2026, Mewtwo GX #42/131 from GX Starter Decks sells for around $7.47 in raw, ungraded condition.

Grading changes the math on this one: a PSA 10 is valued around $55.41, roughly 7.4x the raw price, while a PSA 9 sits near $16.00. 138 copies have been graded to date, and 36% 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.