Cloyster Generations #20

Card #20 · Illustrated by Masakazu Fukuda

100 HPWaterPokémonStage 1

Ungraded · blended

$0.60

▲ 3.6% · 30d

Range $1 → $2
1 grading company tracked
Confidence high · How we price →

Raw$0.60

PSA 911.7× raw$7

See live listings on TCGplayer →

Cloyster is a Uncommon Pokémon card from Generations (#20), illustrated by Masakazu Fukuda. It's a Stage 1 Water-type Pokémon with 100 HP, evolving from Shellder, weak to Grass ×2. Its current blended market value is $0.60 ungraded. Prices are aggregated across marketplaces — raw and graded, updated daily and shown in your local currency.

Prices last updated 2 July 2026.

#10 most valuable Cloyster of 14 #107 most valuable in Generations of 117

Raw price by condition

Reverse Holofoil · live market via TCGplayer

NMNear Mint$0.57

LPLightly Played$0.42

MPModerately Played$0.26

DMGDamaged$0.10

7-dayflat

30-day▲ 1.8%

90-day▲ 7.5%

All-time high$1

All-time low$0

Other printingsNormal · $0.30

Price by variant

Reverse Holo$1

Normal$0

TCGplayer market price per printing — reverse holo, 1st edition and unlimited often differ sharply.

Graded prices

Ungraded (raw)$0.58

PSA graded price estimates by grade
Grade	Relative value	Price
PSA 9		$7$7–$7

“Sold” = median of real recent eBay sold listings at that grade. Other figures are blended marketplace estimates. Confidence reflects the price spread — not PSA-official values.

Price history · raw near-mint

1 Aug 20231 Jul 2026

Current

$0.55

Period high

$2.07

Period low

$0.24

Change

▼ 64.7%

Recent sold prices

Last hammer price

$17

PSA 8 · 8 Jun 2026

Typical PSA 8

$17

Auction lots · last 90 days

Liquidity

Moderate

1 in last 30 days

PSA 82016 Pokemon XY Generations Reverse Holo Cloyster #20 PSA 8 NM-MTWeekly Sunday Auction #229 · 8 Jun 2026$17

Real completed hammer prices from Fanatics Collect weekly and premier auctions, refreshed periodically. Grade read from the listing title.

Population across graders

PSA13 gradedPSA 10 · 3 · 23% gem rate

103

CGC5 gradedCGC 10 · 0 · 0% gem rate

8.51

Real graded population from PSA, CGC & BGS — a lower gem rate means a Cloyster 10 is harder to pull.

Should you grade it?

−$64

Raw $0.60 → graded PSA 9 ≈ $7.00
after ~$70.06 grading fee → 11.7× the raw value

Target grade	Est. value	Grading fee	Net vs raw	Multiple
PSA 9	$7.00	$70.06	−$64	11.7×

Net = graded value − raw value − grading cost (tier fee + ~$20 round-trip shipping), using PSA fees as of 2026-06-28; the paused PSA Value tier is excluded so this isn't overstated. Real outcome depends on the grade achieved; PSA 10 is best-case.

Best Generations cards to grade →Best Cloyster cards to grade →ROI calculator

Set a price alert

We'll email you when this card's value crosses your target.

Alert me when the priceNo password needed — we'll set up your free account.

Where to buy

TCGplayerUS CardmarketEU eBay MercariUS AmazonUS TrollAndToadUS CoolStuffIncUS

Check recent sold prices

eBay sold PriceCharting

Market signal

Momentum · 30dRising +4%

Derived from this card's 90-day price history, recent trend and cross-market price gap. Informational, not advice.

🇪🇺 Cardmarket price · Europe

78% cheaper than the US

Cardmarket · Europe's largest card market$0

Buy on CardmarketEU

Card text

Evolves from Shellder.

Clamp Crush30

Water · Colorless

Flip a coin. If heads, your opponent's Active Pokémon is now Paralyzed and discard an Energy attached to that Pokémon.

Spike Cannon30×

Water · Water · Colorless

Flip 5 coins. This attack does 30 damage times the number of heads.

Weakness Grass ×2Retreat 3

“Cloyster that live in seas with harsh tidal currents grow large, sharp spikes on their shells.”

About the Pokémon

Bivalve PokémonGEN IShellder → Cloyster

When attacked, it launches its horns in quick volleys. Its innards have never been seen.

Card details

SetGenerations →

Number#20

RarityUncommon

PokémonAll Cloyster cards →

GenerationGen I · Kanto →

ArtistMasakazu Fukuda →

SupertypePokémon

SubtypesStage 1

TypeWater

HP100

Evolves fromShellder

WeaknessGrass ×2

Retreat cost3

National Pokédex#91

Card IDg1-20

SourceAggregated marketplaces

Other Cloyster cards

There are 9 different Cloyster printings — make sure you're valuing the right one. This is Generations #20 (Uncommon).