Kelp Cavern [Foil] Sold Prices & eBay Comps (2026)

Sold prices for Kelp Cavern [Foil] — current market $8.05. Browse recent eBay, PSA APR, and auction sold listings on Guardian TCG.

Related

Kelp Cavern [Foil] Card Details
Price Chart
Full Sales History
Sold Comps Search

Card Prices by Game

Pokemon Card Prices
Pokemon Japanese Card Prices
Magic: The Gathering Card Prices
Yu-Gi-Oh! Card Prices
One Piece Card Prices
Disney Lorcana Card Prices
Digimon Card Prices
Star Wars Unlimited Card Prices
Baseball Card Prices
Basketball Card Prices
Flesh & Blood Card Prices
Dragon Ball Super Card Prices
Weiss Schwarz Card Prices
Cardfight Vanguard Card Prices
Final Fantasy TCG Card Prices
Sorcery Card Prices
eBay Pokemon Prices
All Set Price Guides
Browse All Cards
Sold Comps Browser
All Sets

Sports Card Prices

Baseball Card Price Guide
Basketball Card Price Guide
Baseball Cards Price Guide
Basketball Cards Price Guide
Most Valuable Baseball Cards
Most Valuable Basketball Cards
Baseball Cards Under $50
Basketball Cards Under $50
Where to Sell Baseball Cards
Where to Sell Basketball Cards

Free Card Tools

Free Card Scanner
Trading Card Scanner App
Pokemon Card Value Scanner
TCG Price Checker
Pokemon Card Value Checker
How to Scan Trading Cards
Pokemon Scanner
Pokemon Japanese Scanner
Magic: The Gathering Scanner
Yu-Gi-Oh! Scanner
One Piece Scanner
Disney Lorcana Scanner
Digimon Scanner
Star Wars Unlimited Scanner
AI Card Grading
Portfolio Tracker
Card Value Checker
Pack EV Calculator
Grading ROI Calculator
Insurance Calculator
Collection Value Calculator
Buy vs Pull Calculator
Price Comparison Tool
Deck Builder
Trade Calculator
Embed Price Widgets
All Free Tools

Locale hubs

English (US)
United Kingdom
Canada
Australia
France
Deutschland
Italia
España
Nederland
México / LATAM
Brasil
日本

Market Data

Most Expensive Cards

Most Expensive Pokemon
Most Expensive Pokemon Japanese
Most Expensive Magic: The Gathering
Most Expensive Yu-Gi-Oh!
Most Expensive One Piece
Most Expensive Disney Lorcana
Most Expensive Digimon
Most Expensive Star Wars Unlimited
Most Expensive Baseball
Most Expensive Card Ever
Best Cards Under $5
Best Cards Under $10
Best Cards Under $25
Best Cards Under $50
Best Cards Under $100
Top 100 Pokemon Cards
Top 100 Pokemon Japanese Cards
Top 100 Magic: The Gathering Cards
Top 100 Yu-Gi-Oh! Cards
Top 100 One Piece Cards
Top 100 Disney Lorcana Cards

Most Valuable Cards

Most Valuable Pokemon Cards
Most Valuable Pokemon Japanese Cards
Most Valuable Magic: The Gathering Cards
Most Valuable Yu-Gi-Oh! Cards
Most Valuable One Piece Cards
Most Valuable Disney Lorcana Cards
Most Valuable Digimon Cards
Most Valuable Star Wars Unlimited Cards
Most Valuable Baseball Cards

Budget & Investment Guides

Cheapest Pokemon Cards
Cheapest Pokemon Japanese Cards
Cheapest Magic: The Gathering Cards
Cheapest Yu-Gi-Oh! Cards
Cheapest One Piece Cards
Cheapest Disney Lorcana Cards
Best Pokemon Investments
Best Pokemon Japanese Investments
Best Magic: The Gathering Investments
Best Yu-Gi-Oh! Investments
Best One Piece Investments
Best Disney Lorcana Investments
Pokemon Cards Under $10
Pokemon Japanese Cards Under $10
Magic: The Gathering Cards Under $10
Yu-Gi-Oh! Cards Under $10
Pokemon Cards Under $25
Pokemon Japanese Cards Under $25
Magic: The Gathering Cards Under $25
Yu-Gi-Oh! Cards Under $25

Price Trends & Gainers

Pokemon Biggest Gainers
Pokemon Japanese Biggest Gainers
Magic: The Gathering Biggest Gainers
Yu-Gi-Oh! Biggest Gainers
One Piece Biggest Gainers
Disney Lorcana Biggest Gainers
Digimon Biggest Gainers
Star Wars Unlimited Biggest Gainers
Baseball Biggest Gainers
Pokemon Biggest Losers
Pokemon Japanese Biggest Losers
Magic: The Gathering Biggest Losers
Yu-Gi-Oh! Biggest Losers
One Piece Biggest Losers
Disney Lorcana Biggest Losers
Digimon Biggest Losers
Star Wars Unlimited Biggest Losers
Baseball Biggest Losers
Cheapest Pokemon Cards
Cheapest Pokemon Japanese Cards
Cheapest Magic: The Gathering Cards
Cheapest Yu-Gi-Oh! Cards
Cheapest One Piece Cards
Cheapest Disney Lorcana Cards
Cheapest Digimon Cards
Cheapest Star Wars Unlimited Cards
New Pokemon Releases
New Pokemon Japanese Releases
New Magic: The Gathering Releases
New Yu-Gi-Oh! Releases
New One Piece Releases
New Disney Lorcana Releases
New Digimon Releases
New Star Wars Unlimited Releases

Popular Set Price Guides

Prismatic Evolutions
Scarlet & Violet 151
Evolving Skies
Celebrations
Crown Zenith
Paldean Fates
Base Set Shadowless
Skyridge
Neo Destiny
XY Evolutions
Team Up
OP Carrying On His Will
OP Emperors New World
OP Awakening New Era
Lorcana Promos
All Set Price Guides

Set Completion Costs

Complete Prismatic Evolutions
Complete SV 151
Complete Evolving Skies
Complete Celebrations
Complete Crown Zenith
Complete Paldean Fates
Complete Base Set Shadowless
Complete Skyridge
Complete XY Evolutions

Most Valuable by Set

Prismatic Evolutions Top Cards
SV 151 Top Cards
Evolving Skies Top Cards
Celebrations Top Cards
Crown Zenith Top Cards
Base Set Shadowless Top Cards
Skyridge Top Cards
Neo Destiny Top Cards
XY Evolutions Top Cards

How Much Is It Worth?

Charizard Value
Pikachu Value
Mewtwo Value
Umbreon Value
Lugia Value
Rayquaza Value
Gengar Value
Eevee Value
Mew Value
Blastoise Value
Venusaur Value
Dragonite Value
Snorlax Value
Gardevoir Value
Sylveon Value
Espeon Value
Gyarados Value
Alakazam Value
Machamp Value
Tyranitar Value
Black Lotus Value
Blue-Eyes White Dragon Value
Dark Magician Value
Exodia Value
Red-Eyes Black Dragon Value
Elemental HERO Value
Luffy Value
Shanks Value
Nami Value
All Characters & Values

Price Predictions

Charizard Price Prediction
Pikachu Price Prediction
Mewtwo Price Prediction
Umbreon Price Prediction
Lugia Price Prediction
Rayquaza Price Prediction
Gengar Price Prediction
Blastoise Price Prediction
Black Lotus Price Prediction
Blue-Eyes White Dragon Prediction
Luffy Price Prediction

Ultimate Guides

Pokemon Card Investing Guide
Card Grading Guide
Most Expensive Trading Cards
Card Price Tracking Guide
TCG Market Analysis

Investment & Analysis

Best Pokemon to Invest In
Best Pokemon Japanese to Invest In
Best Magic: The Gathering to Invest In
Best Yu-Gi-Oh! to Invest In
Best One Piece to Invest In
Best Disney Lorcana to Invest In
Best Digimon to Invest In
Best Star Wars Unlimited to Invest In
Best TCG to Invest In
Pokemon Hidden Gems
Pokemon Japanese Hidden Gems
Magic: The Gathering Hidden Gems
Yu-Gi-Oh! Hidden Gems
One Piece Hidden Gems
Disney Lorcana Hidden Gems
Digimon Hidden Gems
Star Wars Unlimited Hidden Gems
$50 Portfolio Builder
$100 Portfolio Builder
$250 Portfolio Builder
$500 Portfolio Builder
$1000 Portfolio Builder
$5000 Portfolio Builder
$10000 Portfolio Builder
Guardian Score

Collector Data & Insights

Most Scanned Cards
Most Owned Cards
Most Watched Cards
Cards Collectors Are Buying
Cards Likely to Grade PSA 10
Collection Insights
Most Scanned Pokemon
Most Scanned Pokemon Japanese
Most Scanned Magic: The Gathering
Most Scanned Yu-Gi-Oh!
Most Scanned One Piece
Most Scanned Disney Lorcana
Most Owned Pokemon
Most Owned Pokemon Japanese
Most Owned Magic: The Gathering
Most Owned Yu-Gi-Oh!
Most Owned One Piece
Most Owned Disney Lorcana
Most Watched Pokemon
Most Watched Pokemon Japanese
Most Watched Magic: The Gathering
Most Watched Yu-Gi-Oh!
Most Watched One Piece
Most Watched Disney Lorcana

Grading & Condition

Card Grading Guides
PSA vs BGS vs CGC
PSA vs CGC
Pokemon Grade for Profit
Pokemon Japanese Grade for Profit
Magic: The Gathering Grade for Profit
Yu-Gi-Oh! Grade for Profit
One Piece Grade for Profit
Disney Lorcana Grade for Profit
Digimon Grade for Profit
Star Wars Unlimited Grade for Profit
Pokemon Grading Premium
Pokemon Japanese Grading Premium
Magic: The Gathering Grading Premium
Yu-Gi-Oh! Grading Premium
One Piece Grading Premium
Disney Lorcana Grading Premium
Digimon Grading Premium
Star Wars Unlimited Grading Premium
Pokemon Card Grading
Pokemon Japanese Card Grading
Magic: The Gathering Card Grading
Yu-Gi-Oh! Card Grading
One Piece Card Grading
Disney Lorcana Card Grading
Digimon Card Grading
Star Wars Unlimited Card Grading

Worth Opening?

Prismatic Evolutions Worth Opening?
Evolving Skies Worth Opening?
Paldean Fates Worth Opening?
Crown Zenith Worth Opening?
Scarlet & Violet 151 Worth Opening?
Celebrations Worth Opening?
Fusion Strike Worth Opening?
Lost Origin Worth Opening?
XY Evolutions Worth Opening?
Cosmic Eclipse Worth Opening?
Team Up Worth Opening?

Sealed Products & Packs

All Sealed Products
Pokemon Sealed
Pokemon Japanese Sealed
Magic: The Gathering Sealed
Yu-Gi-Oh! Sealed
One Piece Sealed
Disney Lorcana Sealed
Digimon Sealed
Star Wars Unlimited Sealed
Best Booster Box to Buy
Best Pokemon Packs
Best Pokemon Japanese Packs
Best Magic: The Gathering Packs
Best Yu-Gi-Oh! Packs
Best One Piece Packs
Best Disney Lorcana Packs
Best Pokemon Sets to Buy
Best Pokemon Japanese Sets to Buy
Best Magic: The Gathering Sets to Buy
Best Yu-Gi-Oh! Sets to Buy
Best One Piece Sets to Buy
Best Disney Lorcana Sets to Buy

Where to Buy & Sell

Comparisons

vs Ludex
vs Collectr
vs Ludex
Ludex Alternative
TCGScan Alternative
130Point Alternative
Sold Comps Search
vs Foilsnap
vs TCGScan
vs Pokellector
vs Manabox
vs Scryfall
vs TCGFish
vs DexTCG
vs PokeScope
vs Pulio
vs Mavin
vs CardCastle
vs Rare Candy
vs Shiny
vs CollX
vs Arena Club
vs TCG Stacked
TCGPlayer vs PriceCharting
TCGPlayer vs eBay
TCGPlayer vs Cardmarket
eBay vs Cardmarket
Charizard vs Pikachu
Charizard vs Mewtwo
All Competitors

Learn & Guides

TCG Market Blog
Learn Hub
Start Collecting Pokemon
What is a PSA 10?
Spot Fake Pokemon Cards
Pokemon Rarity Guide
How to Invest in Cards
Card Conditions Guide
What Makes Cards Valuable
TCG Market Basics
How to Grade Cards
Japanese vs English Cards
TCG Glossary
TCG Card Investing
Card Flipping for Profit
Release Calendar
How to Sell Pokemon
How to Sell Pokemon Japanese
How to Sell Magic: The Gathering
How to Sell Yu-Gi-Oh!

FAQ

All FAQ
How Much Are My Pokemon Cards Worth?
What Is a Buyout?
How to Check MTG Prices
Are One Piece Cards Worth Investing?
What Is AI Card Grading?
AI Grading vs PSA
Should I Get Cards Graded?
Guardian vs TCGPlayer
Guardian vs PriceCharting
How the Scanner Works
What Does Pro Include?
Free Trial?

For Vendors

Vendor POS — Sell Cards
How It Works

Developer & Resources

Oracle API Docs
Free TCG Price API
Discord Price Bot
Bot Pricing
Best TCG Discord Bots
Browser Extension
Download App
Embed Price Widgets

Company

About Guardian TCG
Plans & Pricing
How Card Prices Work
Referral Program
What's New
Status
Contact
Privacy
Terms
Sitemap

Prices updated July 19, 2026. Data sourced from TCGPlayer, eBay, and more. Guardian TCG — free multi-source card pricing for 14+ TCGs.

Card Prices by Game

Pokemon Card Prices | Magic: The Gathering Card Prices | Yu-Gi-Oh! Card Prices | One Piece Card Prices | Disney Lorcana Card Prices | Digimon Card Prices | Star Wars Unlimited Card Prices | Dragon Ball Super Card Prices | Flesh & Blood Card Prices | All Set Price Guides | Browse All Cards | All Sets

Free Card Tools

Free Card Scanner | Pokemon Scanner | Magic: The Gathering Scanner | Yu-Gi-Oh! Scanner | One Piece Scanner | Disney Lorcana Scanner | Digimon Scanner | Star Wars Unlimited Scanner | Dragon Ball Super Scanner | Pokemon Card Value Checker | AI Card Grading | Portfolio Tracker | Card Value Checker | All Free Tools

Market Data

Market Pulse Today | Market Movers | Gravity Signals | Fear & Greed Index | TCG Market State | All-Time Highs | All-Time Lows | Cards Going Up | Cards Going Down | Buyout Alerts | Deal Finder | Opportunities | Price Alerts | Trends | Top Picks

Most Expensive Cards

Most Expensive Pokemon | Most Expensive Magic: The Gathering | Most Expensive Yu-Gi-Oh! | Most Expensive One Piece | Most Expensive Disney Lorcana | Most Expensive Digimon | Most Expensive Star Wars Unlimited | Most Expensive Dragon Ball Super | Most Expensive Flesh & Blood | Most Expensive Card Ever | Best Under $5 | Best Under $10 | Best Under $25 | Best Under $50 | Best Under $100

Trending & Gainers

Pokemon Gainers | Magic: The Gathering Gainers | Yu-Gi-Oh! Gainers | One Piece Gainers | Disney Lorcana Gainers | Digimon Gainers | Star Wars Unlimited Gainers | Dragon Ball Super Gainers | Pokemon Losers | Magic: The Gathering Losers | Yu-Gi-Oh! Losers | One Piece Losers | Disney Lorcana Losers | Digimon Losers | Star Wars Unlimited Losers | Dragon Ball Super Losers | Cheapest Pokemon | Cheapest Magic: The Gathering | Cheapest Yu-Gi-Oh! | Cheapest One Piece | Cheapest Disney Lorcana | Cheapest Digimon | Cheapest Star Wars Unlimited | Cheapest Dragon Ball Super | New Pokemon | New Magic: The Gathering | New Yu-Gi-Oh! | New One Piece | New Disney Lorcana | New Digimon | New Star Wars Unlimited | New Dragon Ball Super

Popular Sets

Prismatic Evolutions | Scarlet & Violet 151 | Evolving Skies | Celebrations | Crown Zenith | Paldean Fates | Base Set Shadowless | Skyridge | All Set Price Guides

How Much Is It Worth?

Charizard | Pikachu | Mewtwo | Umbreon | Lugia | Rayquaza | Gengar | Black Lotus | Blue-Eyes White Dragon | Exodia | Luffy | All Characters & Values

Investment & Analysis

Best Pokemon to Invest | Best Magic: The Gathering to Invest | Best Yu-Gi-Oh! to Invest | Best One Piece to Invest | Best Disney Lorcana to Invest | Best Digimon to Invest | Best Star Wars Unlimited to Invest | Best Dragon Ball Super to Invest | Best TCG to Invest In | Pokemon Hidden Gems | Magic: The Gathering Hidden Gems | Yu-Gi-Oh! Hidden Gems | One Piece Hidden Gems | Disney Lorcana Hidden Gems | Digimon Hidden Gems | Star Wars Unlimited Hidden Gems | Dragon Ball Super Hidden Gems | $100 Portfolio Builder | $500 Portfolio Builder | $1000 Portfolio Builder | Guardian Score

Collector Data & Insights

Most Scanned Cards | Most Owned Cards | Most Watched Cards | Cards Collectors Are Buying | Cards Likely to Grade PSA 10 | Collection Insights

Grading & Condition

Card Grading Guides | PSA vs BGS vs CGC | PSA vs CGC | Pokemon Grade for Profit | Magic: The Gathering Grade for Profit | Yu-Gi-Oh! Grade for Profit | One Piece Grade for Profit | Disney Lorcana Grade for Profit | Digimon Grade for Profit | Star Wars Unlimited Grade for Profit | Dragon Ball Super Grade for Profit

Sealed & Packs

All Sealed Products | Pokemon Sealed | Magic: The Gathering Sealed | Yu-Gi-Oh! Sealed | One Piece Sealed | Disney Lorcana Sealed | Digimon Sealed | Star Wars Unlimited Sealed | Dragon Ball Super Sealed | Best Booster Box

Where to Buy & Sell

Buy Pokemon | Buy Magic: The Gathering | Buy Yu-Gi-Oh! | Buy One Piece | Buy Disney Lorcana | Buy Digimon | Buy Star Wars Unlimited | Buy Dragon Ball Super | Sell Pokemon | Sell Magic: The Gathering | Sell Yu-Gi-Oh! | Sell One Piece | Sell Disney Lorcana | Sell Digimon | Sell Star Wars Unlimited | Sell Dragon Ball Super | TCGPlayer Alternative | PriceCharting Alternative

Comparisons

vs Ludex | vs Collectr | vs Foilsnap | vs PokéCardex | vs Eyevo | vs Pokellector | vs Manabox | vs Scryfall | vs Card Ladder | vs Alt | All Competitors

Learn & Guides

TCG Market Blog | Learn Hub | TCG Glossary | Pokemon Card Investing Guide | Card Grading Guide | Most Expensive Cards | Price Tracking Guide | TCG Market Analysis | TCG Card Investing | Release Calendar | All FAQ | Spot Fake Pokemon Cards | Is My Card Worth Anything? | Check Card Value | What Makes Cards Rare | Found Old Cards? | How to Scan Cards | How to Price Cards | Insure Your Collection | Card Tax Guide | Kids Card App | Union Arena Prices | Sorcery Prices | Grand Archive Prices | Hololive Prices | UniVersus Prices

For Vendors

Vendor POS — Sell Cards at Shows | How It Works

Resources

Guardian Oracle — Price Authority | Pricing Methodology | Free TCG Price API | Discord Price Bot | Bot Pricing | Best TCG Discord Bots | Browser Extension | Download App | Embed Price Widgets

About | How Prices Work | Pricing | Privacy | Terms | Sitemap

© 2026 Guardian TCG, operated by Guardian Technologies LLC. Not affiliated with any card publisher.