Cloyster

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

$15.39
Market price 14.8% (30d)
Prices as of Aug 14, 2026
HP 80WaterStage 1Art · Kyoko Umemoto
445graded pop
25%gem rate
3.2×PSA 10 vs raw
-38%off ATH $29.22 · Aug 2026
$5.44EV to grade — don't
Market data

Printings & price history

42 8.2% 7d$15.39
Low $15.68Mid $20.95

Loading chart…

Live listings

Buy it now on eBay

Loading live listings…

Live from eBay · affiliate links support CardPrice · see recent sold results →

Graded market

Graded values

PSA 10 report →updated 2026-08-13
Grade 6 est.$17.10
Grade 5 est.$14.40
Grade 4 est.$11.88
Grade 3 est.$9.90
Grade 2 est.$8.10
Grade 1 est.$6.84

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$107.20

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

Graded population census · updated 2026-07-07

PSA145 graded · 58 gem 10
CGC88 graded · 31 gem 10

Population data from PriceCharting, updated monthly.

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 $15.39 ungraded. Across the 2 printings we track, copies run anywhere from $15.68 to $362.88 depending on the version you're holding.

Grading changes the math on this one: a PSA 10 is valued around $107.20, roughly 7.0x the raw price, while a PSA 9 sits near $35.00. 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