FoilFox
Get the free appOpen Dashboard

Card values

Card details

Loading catalog data…You can keep browsing while we find your cards.

Move over the card

FireRed & LeafGreen #20

Cloyster

Non-foilRareRG2004
$2.867-day change: down ▼ 0.3%7 days

Based on market estimates · TCGplayer · October 9, 2026

$2.89$2.80$2.70 Sep 11Oct 9
TCGplayer market price for this exact version, Sep 11 to Oct 9. Low $2.72, high $2.87.
Save to Personal ↗See this set

Other finishes

The same card, set and number. Each finish is its own version with its own price.

Card details

Game
Pokémon Trading Card Game
Set
FireRed & LeafGreen
Number
20
Rarity
Rare
Finish
Non-foil
Language
English
Released
September 1, 2004

More from FireRed & LeafGreen

The most valuable printings in this set. See every card in FireRed & LeafGreen →

  1. Gengar exGengar exHolo · #108$1,399.99
  2. Blastoise exBlastoise exHolo · #104$650.45
  3. Charizard exCharizard exHolo · #105$500.00
  4. Venusaur exVenusaur exHolo · #112$480.01
  5. SnorlaxSnorlaxReverse holo · #15$294.09
  6. CuboneCuboneReverse holo · #60$289.99
  7. SquirtleSquirtleReverse holo · #83$274.31
  8. Zapdos exZapdos exHolo · #116$270.42

Your FoilFox account

Sign in

Sign in to open shop inventory or your collection. Guides stay open without an account.

By continuing, you agree to the Terms and acknowledge the Privacy Policy. If you cannot legally accept the Terms where you live, a parent or guardian must own and manage the account. FoilFox accounts are not available to children under 13. Google shares your approved name, email address, and profile photo. FoilFox never sees your Google password or accesses Gmail or Drive.