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Secondary Market
List cards and memorabilia with zero listing fees. Escrow-protected payments, verified shipping, and instant payouts when the buyer confirms.

Buy, sell and trade cards and memorabilia on a zero-fee secondary market. Get free AI grading feedback, check real comps in seconds, and track player values like stocks.
★ 4.9 from 18,000+ reviews · Escrow protected · No card required
As featured in
Trusted by 200,000+ collectors
Rated 4.9 out of 5 from more than 18,000 verified reviews.
"The free AI grade said 9.5 on my Wemby rookie. PSA came back 9.5. I'll never submit blind again."
Marcus T.
Basketball collector · Atlanta
"Sold a game-used jersey with zero listing fees. Payout landed the same day the buyer confirmed."
Dana R.
Memorabilia dealer · Chicago
"The comp tracker is basically my stock app now. I check my players' values every morning."
Jae K.
Baseball collector · Seattle
Escrow Protected
Funds held until the buyer confirms delivery.
Authenticated Items
Every memorabilia piece verified before listing.
Bank-Level Security
256-bit encryption and 2-factor sign-in.
Best Collector App 2026
Hobby Innovation Awards winner.
What's Inside
One account for the market, the grading, the data and the display case.
0% LISTING FEE
List cards and memorabilia with zero listing fees. Escrow-protected payments, verified shipping, and instant payouts when the buyer confirms.
FREE · UNLIMITED
Snap four photos and get a predicted grade with centering, corners, edges and surface scores — free, unlimited, before you ever pay for submission.
LIVE SALES DATA
Real sold comps pulled across every major marketplace, filtered by grade, parallel and serial number. No guesswork, no cherry-picked listings.
AUTHENTICATED
Game-used jerseys, signed balls, ticket stubs and photo-matched pieces, all authenticated and stored in a searchable, provenance-tracked vault.
INSTANT NOTIFY
Set a target price on any card or player. Get an instant push or email the moment a matching listing drops or a comp crosses your line.
DAILY VALUATION
Scan your cards once and watch your whole collection's value update daily, with gains, losses and top movers like a brokerage account.
Card Search
Search 1,220+ real athletes by name or team, then jump straight to sold comps on eBay or cards on Fanatics.
1,220 athletes found
Chicago Bulls
Los Angeles Lakers
Miami Heat
Milwaukee Bucks
Miami Heat
Los Angeles Lakers
Boston Celtics
Golden State Warriors
Philadelphia 76ers
Boston Celtics
Philadelphia 76ers
San Antonio Spurs
Houston Rockets
Detroit Pistons
Dallas Mavericks
Miami Heat
Toronto Raptors
Chicago Bulls
Utah Jazz
Portland Trail Blazers
Detroit Pistons
Los Angeles Lakers
Detroit Pistons
New Orleans Pelicans
Search recent sold prices for any card across eBay.
Search All SalesLive Card Market
An index of card sales across every major marketplace, updating every second like a stock chart.
Live · Slab 500 Index
1862.85
▲ 5.28% today
4,182 sales last hour
Market Movers
Every row is backed by verified sold comps, not asking prices.
| Player | Set | Grade | Last Sale | Source | 24H | Sales |
|---|---|---|---|---|---|---|
| Victor Wembanyama | 2023-24 Prizm Gold RC | PSA 10 | $2,760 | — | -4.3% | 412 |
| Caitlin Clark | 2024 Prizm RC | PSA 10 | $1,455 | — | +22.5% | 1,208 |
| Shohei Ohtani | 2018 Topps Chrome RC | PSA 10 | $3,120 | — | +11.8% | 336 |
| Michael Jordan | 1986 Fleer #57 | PSA 8 | $41,500 | — | -2.1% | 58 |
| Luka Doncic | 2018 Optic Holo RC | PSA 10 | $4,280 | — | +6.4% | 271 |
| Patrick Mahomes | 2017 National Treasures RPA | BGS 9 | $62,000 | — | -1.4% | 12 |
Sample market data — live sold comps load automatically when available
Live Comp Tracker
A free rolling index of what a player's cards and memorabilia actually sell for — updated with every confirmed sale.
CLRK · Composite Index
$1,455
▲ 22.5% · 30 days
Sample index data — live sold comps load automatically when available
Trade Matcher
Build an I Have / I Want list and we surface collectors holding your grails — with the cash balance already worked out from live comp data.
3 matches found · updated 2 min ago
They send
Caitlin Clark Prizm RC · PSA 10
$1,455
You send
Bobby Witt Jr. Chrome Auto · BGS 9.5 + Ja Morant Prizm · PSA 10
$1,530
Balance suggestion: they add $75 cash
Break Rooms
No third-party stream, no separate checkout. Buy a spot, watch the rip, and hits land straight in your vault.
Pick Your Team · 32 spots · Host RipCityBreaks
Random Team · 30 spots · Host SlabSquad
Pick Your Team · 30 spots · Host DiamondRips
Random Fighter · 24 spots · Host OctagonBreaks
Set Completion
Track every base card you own and get the cheapest path to completion from live listings.
Baseball
82%
Cheapest path to completion
Card Show Finder
Set the miles and see what's coming up near you — vendor counts, admission and show size included.
Secaucus, NJ · 14 mi
Brooklyn, NY · 22 mi
Oaks, PA · 88 mi
Hartford, CT · 118 mi
Mobile App
Everything on the website, built for your phone. Free on iPhone and Android.
★ 4.8 App Store · 50K+ downloads
$18,420
Limited Time · Ends Sunday
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Email Rewards
Join the Slabline email list, earn points, and trade them for free grading, shipping credit and show passes.
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The Slabline Blog
Pricing guides, grading tips and market news — fresh every week.
Featured · Pricing · 5 min
Asking prices lie. Sold prices don't. Here's how to price any card in under a minute.
Read article →Grading · Oct 20, 2026
Grading costs money and time. Use this checklist before you ever send a card in.
Read · 4 minShows · Oct 13, 2026
Cash, a phone and a plan. Everything you need to walk out of your first show with a win.
Read · 6 minMarket · Oct 6, 2026
Young stars whose cards are climbing fast across basketball, baseball and football.
Read · 3 minHow it works
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