Mewtwo

Expedition Base Set · #20/165 · Rare Holo · 2002

$699.97

20 · Reverse Holofoil · Market price ▲ 314.4% (30d)

Prices as of Jul 26, 2026

20 20 · Reverse Holofoil

HP 70PsychicBasicArt · Kimiya Masago

2,761graded pop

6%gem rate

18.5×PSA 10 vs raw

-15%off ATH $421.35 · May 2026

$195.00eBay floor · 11 live

$4,999.99PSA 10 floor · 2 live

+$3,326.56EV to grade — worth it

Printings & price history

20 · Reverse Holofoil▲ 0.0% 7d$699.97

Low $599.99Mid $699.97High $800.98

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Graded values

updated 2026-07-26

Grade 6 est.$188.67

Grade 5 est.$158.88

Grade 4 est.$131.08

Grade 3 est.$109.23

Grade 2 est.$89.37

Grade 1 est.$75.47

Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.

Reverse Holofoil · PSA 10 price history$1,495.32

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

Graded population census · updated 2026-07-08

Reverse Holofoil

PSA665 graded · 51 gem 10

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CGC145 graded · 15 gem 10

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Population data from PriceCharting, updated monthly.

Attacks

Hypnosis

Flip a coin. If heads, the Defending Pokémon is now Asleep.

20+Psychic

This attack does 20 damage plus 10 more damage for each Energy card attached to the Defending Pokémon.

How much is Mewtwo #20/165 worth?

Mewtwo #20/165 is a Rare Holo card from Expedition Base Set (2002) — today it trades at roughly $388.85 ungraded. Across the 2 printings we track, copies run anywhere from $199.00 to $800.98 depending on the version you're holding.

Grading changes the math on this one: a PSA 10 is valued around $12,980.00, roughly 33.4x the raw price, while a PSA 9 sits near $3,534.98. 1,646 copies have been graded to date, and 4% 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 has moved over time.