Mewtwo & Mew-GX

SM Black Star Promos · #SM191/248 · Promo · 2017

$325.12

Market price ▲ 20.4% (1Y)

Prices as of Aug 14, 2026

HP 270PsychicBasicTAG TEAMGXArt · sui

18,017graded pop

51%gem rate

-1%off ATH $328.35 · Jul 2026

Market data

Price history

Standard

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Live listings

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Graded market

Graded values

PSA 10 report →updated 2026-08-14

Grade 6 est.$284.54

Grade 5 est.$239.62

Grade 4 est.$197.68

Grade 3 est.$164.74

Grade 2 est.$134.78

Grade 1 est.$113.82

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$2,499.99

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

Graded population census · updated 2026-08-03

PSA18,017 graded · 9,222 gem 10

12345678910

Population data from PriceCharting, updated monthly.

Abilities

Perfection

This Pokémon can use the attacks of any Pokémon-GX or Pokémon-EX on your Bench or in your discard pile. (You still need the necessary Energy to use each attack.)

Attacks

200Miraculous Duo-GX

If this Pokémon has at least 1 extra Energy attached to it (in addition to this attack's cost), heal all damage from all of your Pokémon. (You can't use more than 1 GX attack in a game.)

How much is Mewtwo & Mew-GX #SM191/248 worth?

A raw copy of Mewtwo & Mew-GX #SM191/248 (SM Black Star Promos, 2017) is worth about $325.12 right now, based on the latest market data from August 14, 2026.

Grading changes the math on this one: a PSA 10 is valued around $2,499.99, roughly 7.7x the raw price, while a PSA 9 sits near $410.00. 18,017 copies have been graded to date, and 51% of them came back a 10 — worth knowing before you pay grading fees.

We update this valuation every night from live market data and verify it against real completed sales — see the chart above for how Mewtwo & Mew-GX has moved over time.

Collecting SM Black Star Promos?Full master set guide — every card, chase list, and completion cost→

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