1,977 graded pop
5% gem rate
140.8× PSA 10 vs raw
$148.55 eBay floor · 11 live supply ▼ 8% · 30d
$18,185.85 PSA 10 floor · 2 live supply ▼ 33% · 30d
+$7,755.21 EV to grade — worth it
Market data
Printings & price history 1M 3M 6M 🔒 1Y 🔒 MAX 🔒
20 · Reverse Holofoil ▲ 0.0% 7d $750.48
Low $400.00 Mid $600.98 High $1,499.99
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Live listings
Buy it now on eBay Raw · Near Mint PSA 10
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PSA 10 $3,731 BGS 10 $4,851 CGC 10 $792.11 SGC 10 $2,239 Grade 9.5 $1,959 Grade 9 $1,781 Grade 8 $963.50 Grade 7 $600.00 Ungraded $217.50 Grade 6 est. $206.63
Grade 5 est. $174.00
Grade 4 est. $143.55
Grade 3 est. $119.63
Grade 2 est. $97.88
Grade 1 est. $82.65
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 $3,731.25
PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.
Graded population census · updated 2026-09-28 Reverse Holofoil PSA 665 graded · 51 gem 10
1 2 3 4 5 6 7 8 9 10
CGC 163 graded · 15 gem 10
1 2 3 4 5 6 7 8 9 10
Population data from PriceCharting, updated monthly.
Auction sale integrity New Graded sales for this card from public auctions, each checked for shill/relist patterns and prices that don’t match the market. How this works →
Clean price · PSA 10
$81,000.00$144,000.00 reported
Medium confidence — 4 sales
Recent sale price by grade · tracked by cert number
PSA 10
$67,500.00
last $80,000.00 · Sep 7, 2026 · 2 sales
PSA 9
$5,500.00
last $7,750.00 · Sep 28, 2026 · 3 sales
BGS 9.5
$3,800.00
last $3,800.00 · Aug 17, 2026 · 1 sale
CGC 10
$3,500.00
last $3,500.00 · Aug 31, 2026 · 1 sale
PSA 8
$1,500.00
last $1,500.00 · Sep 14, 2026 · 1 sale
PSA 7
$800.00
last $800.00 · Sep 14, 2026 · 1 sale
CGC 8.5
$210.00
last $210.00 · Aug 10, 2026 · 1 sale
PSA 2
$210.00
last $210.00 · Aug 10, 2026 · 1 sale
• Unconfirmed
PSA 10 · 45 bids · Oct 12, 2026
$15,500.00 ✓ Verified
PSA 9 · 34 bids · Sep 28, 2026
$7,750.00 ✓ Verified
PSA 9 · 32 bids · Sep 21, 2026
$5,500.00 • Unconfirmed
PSA 8 · 23 bids · Sep 14, 2026
$1,500.00 • Unconfirmed
PSA 7 · 11 bids · Sep 14, 2026
$800.00 • Unconfirmed
CGC 6 · 20 bids · Sep 14, 2026
$170.00 • Unconfirmed
CGC 6 · 36 bids · Sep 7, 2026
$180.00 Scan Mewtwo #20/165 with the CardPrice app
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Download for iPhone → 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 $479.53 ungraded. Across the 2 printings we track, copies run anywhere from $350.00 to $1,499.99 depending on the version you're holding.
Grading changes the math on this one: a PSA 10 is valued around $67,500.00, roughly 140.8x the raw price, while a PSA 9 sits near $5,500.00. 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.
Collecting Expedition Base Set?Full master set guide — every card, chase list, and completion cost → See a mistake on this page? Report it