Cloyster

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

All 34 Cloyster cards ranked by value →

$45.03

42 · Reverse Holofoil · Market price ▲ 10.3% (30d)

Prices as of Nov 4, 2026

42 42 · Reverse Holofoil

HP 80WaterStage 1Art · Kyoko Umemoto

236graded pop

38%gem rate

6.8×PSA 10 vs raw

-37%off ATH $29.22 · Aug 2026

+$80.29EV to grade — worth it

Market data

Printings & price history

42 · Reverse Holofoil▲ 0.0% 7d$45.03

Low $38.68

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Live listings

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Graded market

Graded values

PSA 10 report →updated 2026-11-04

Grade 6 est.$38.00

Grade 5 est.$32.00

Grade 4 est.$26.40

Grade 3 est.$22.00

Grade 2 est.$18.00

Grade 1 est.$15.20

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$2,350.00

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

Graded population census · updated 2026-09-17

Reverse Holofoil

PSA153 graded · 14 gem 10

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CGC67 graded · 11 gem 10

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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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More Cloyster cards all 34 ranked by value →

CloysterBase Expansion Pack · 2001$82.00

CloysterExpedition Base Set · 2002$80.67

CloysterFireRed & LeafGreen · 2004$2.85

Cloyster δDragon Frontiers · 2006$1.47

CloysterFlight of Legends · 2004$31.25

Misty's CloysterGym Heroes · 2000$14.46

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 $18.43 ungraded. Across the 2 printings we track, copies run anywhere from $15.70 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→