Mewtwo EX
The Best of XY · #42/171 · None · 2017JPN
All 266 Mewtwo cards ranked by value →Price history
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Graded values
Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.
PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.
Graded population census · updated 2026-09-17
Population data from PriceCharting, updated monthly.
Auction sale integrity
NewGraded sales for this card from public auctions, each checked for shill/relist patterns and prices that don’t match the market. How this works →
More Mewtwo cards all 266 ranked by value →
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Mewtwo exEX Ruby and Sapphire · 2003How much is Mewtwo EX #42/171 worth?
Mewtwo EX #42/171 is a None Japanese card from The Best of XY (2017) — today it trades at roughly $18.50 ungraded.
Grading changes the math on this one: a PSA 10 is valued around $132.81, roughly 7.2x the raw price, while a PSA 9 sits near $48.00. 410 copies have been graded to date, and 79% 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.
