Cloyster

FireRed & LeafGreen · #20/112 · Rare · 2004

All 34 Cloyster cards ranked by value →

$2.88

Market price ▲ 5.9% (30d)

Prices as of Oct 15, 2026

Normal Reverse Holofoil

HP 70WaterStage 1Art · Aya Kusube

325graded pop

26%gem rate

43.9×PSA 10 vs raw

-69%off ATH $9.13 · Jun 2022

+$27.04EV to grade — worth it

Market data

Printings & price history

Normal▲ 0.7% 7d$2.88

Low $2.29Mid $2.94

Loading chart…

Live listings

Buy it now on eBay

Loading live listings…

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

Shop live eBay listings →Recent eBay sold results

Graded market

Graded values

PSA 10 report →updated 2026-10-15

Grade 6 est.$2.58

Grade 5 est.$2.18

Grade 4 est.$1.80

Grade 3 est.$1.50

Grade 2 est.$1.22

Grade 1 est.$1.03

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$126.45

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

Graded population census · updated 2026-09-17

CGC53 graded · 25 gem 10

12345678910

PSA38 graded · 12 gem 10

12345678910

Population data from PriceCharting, updated monthly.

More Cloyster cards all 34 ranked by value →

CloysterExpedition Base Set · 2002$99.45

CloysterExpedition Base Set · 2002$18.90

Cloyster δDragon Frontiers · 2006$1.41

CloysterFlight of Legends · 2004$31.25

Misty's CloysterGym Heroes · 2000$14.60

Pryce's CloysterPokemon VS · 2001$14.03

Abilities

Exoskeleton

Any damage done to Cloyster by attacks is reduced by 20 (after applying Weakness and Resistance).

Attacks

10×Double Bubble

Flip 2 coins. This attack does 10 damage times the number of heads. If either of the coins is heads, the Defending Pokémon is now Paralyzed.

50Shell Attack

How much is Cloyster #20/112 worth?

A raw copy of Cloyster #20/112 (FireRed & LeafGreen, 2004) is worth about $2.88 right now, based on the latest market data from October 16, 2026. Across the 2 printings we track, copies run anywhere from $2.29 to $322.92 depending on the version you're holding.

Grading changes the math on this one: a PSA 10 is valued around $126.45, roughly 43.9x the raw price, while a PSA 9 sits near $29.58. 152 copies have been graded to date, and 18% 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 FireRed & LeafGreen?Full master set guide — every card, chase list, and completion cost→