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$9,175.00
PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.
Graded population census · updated 2026-07-07
CGC1,737 graded · 87 gem 10
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PSA1 graded · 0 gem 10
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Population data from PriceCharting, updated monthly.
Attacks
30×Full Burst
This attack does 30 damage times the amount of Energy attached to this Pokémon.
60Super Absorption
Heal 30 damage from this Pokémon.
200Psystrike-GX
This attack's damage isn't affected by any effects on your opponent's Active Pokémon. (You can't use more than 1 GX attack in a game.)
How much is Mewtwo-GX #78/73 worth?
Mewtwo-GX #78/73 is a Rare Secret card from Shining Legends (2017) — today it trades at roughly $773.30 ungraded.
Grading changes the math on this one: a PSA 10 is valued around $9,175.00, roughly 11.9x the raw price, while a PSA 9 sits near $1,706.48. 1,737 copies have been graded to date, and 5% 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-GX has moved over time.
Shining Legends · #78/73 · Rare Secret · 2017
