Cloyster

Expedition Base Set · #42/165 · Rare · 2002

All 34 Cloyster cards ranked by value →
$18.60
Market price ▼ 2.2% (30d)
Prices as of Nov 4, 2026
HP 80WaterStage 1Art · Kyoko Umemoto
236graded pop
38%gem rate
6.8×PSA 10 vs raw
-36%off ATH $29.22 · Aug 2026
+$80.12EV to grade — worth it
Market data

Printings & price history

42▼ 1.6% 7d$18.60
Low $15.85Mid $21.40

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Graded market

Graded values

PSA 10 report →updated 2026-11-04
Grade 6 est.$12.02
Grade 5 est.$10.12
Grade 4 est.$8.35
Grade 3 est.$6.96
Grade 2 est.$5.69
Grade 1 est.$4.81

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$125.71

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

Graded population census · updated 2026-09-17

PSA145 graded · 58 gem 10
CGC91 graded · 32 gem 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 →

Heads up: a copy of this card “sold” for $200.00, then resold for $175.00 just 28 days later (-12%) — a sign the first sale may not have completed.
Clean price · CGC 10
$210.00$225.00 reported
Low confidence — thin or mixed data
Recent sale price by grade · tracked by cert number
PSA 10 · Rev Holo
$2,600.00
last $2,600.00 · Sep 28, 2026 · 1 sale
CGC 10 · Rev Holo
$175.00
last $175.00 · Sep 7, 2026 · 1 sale
CGC 8 · Rev Holo
$33.00
last $33.00 · Sep 21, 2026 · 1 sale
CGC 5 · Rev Holo
$25.00
last $25.00 · Sep 7, 2026 · 1 sale
CGC 7 · Rev Holo
$19.00
last $19.00 · Sep 14, 2026 · 1 sale
Unconfirmed
PSA 10 · 28 bids · Sep 28, 2026
$2,600.00
Unconfirmed
CGC 8 · 9 bids · Sep 21, 2026
$33.00
Unconfirmed
CGC 7 · 5 bids · Sep 14, 2026
$19.00
Unconfirmed
CGC 5 · 12 bids · Sep 7, 2026
$25.00
Unconfirmed
CGC 10 · 21 bids · Sep 7, 2026
$175.00
Rapid reflip
CGC 10 · 21 bids · Aug 10, 2026 — the same card resold just 28 days later
$200.00
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Attacks

10Lick
Flip a coin. If heads, the Defending Pokémon is now Paralyzed.
20×Auto Fire
Flip 4 coins. This attack does 20 damage times the number of heads.

How much is Cloyster #42/165 worth?

Cloyster #42/165 is a Rare card from Expedition Base Set (2002) — today it trades at roughly $18.60 ungraded. Across the 2 printings we track, copies run anywhere from $15.85 to $362.88 depending on the version you're holding.

Grading changes the math on this one: a PSA 10 is valued around $125.71, roughly 6.8x the raw price, while a PSA 9 sits near $122.50. 153 copies have been graded to date, and 9% 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.

Collecting Expedition Base Set?Full master set guide — every card, chase list, and completion cost→