Mewtwo (Prerelease) [Staff]
XY Promos · #51/146 · Promo · 2013
All 255 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 2026-07-07
Population data from PriceCharting, updated monthly.
More Mewtwo cards all 255 ranked by value →
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MewtwoLegendary Collection · 2002
Shining MewtwoNeo Destiny · 2002
Mewtwo-GXShining Legends · 2017
Mewtwo δDelta Species · 2005
MewtwoExpedition Base Set · 2002How much is Mewtwo (Prerelease) [Staff] #51/146 worth?
As of August 22, 2026, Mewtwo (Prerelease) [Staff] #51/146 from XY Promos sells for around $524.50 in raw, ungraded condition.
Grading changes the math on this one: a PSA 10 is valued around $4,050.00, roughly 7.7x the raw price, while a PSA 9 sits near $473.34. 276 copies have been graded to date, and 2% of them came back a 10 — worth knowing before you pay grading fees.
These figures come from nightly market-data syncs verified against completed sales. Use the chart above to see the trend before you buy or sell.