Shop from 18,666,005 total and 5,650,032 unique sports cards. Baseball, Football, Hockey, and Basketball.

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Sale - 29% OFF SRP

Find baseball cards and other sports cards on sale in Promotions & Port Sales

Ideal for Set Builders & Player Collectors

Build one order over time from multiple sellers, pay shipping once, and receive your cards in one package.

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Flat Rate Shipping

Buy now, ship later! Purchase over time from many sellers & ship once!

18 Million Cards Under One Roof

We house millions of sports cards from thousands of sellers and provide industry renowned customer service!

High resolution scans of the front & back of every card.

Easy & Fun Sports Card Flipping

Filter by team, player, set & more. Purchase, instantly relist, & flip for profit.

We Do The Work To Sell Your Cards

Research & identify your collectibles

Evaluate condition & value

Scan the front & back of every card

Advertise to find buyers

Store & insure consigned collectibles

Resolve customer service needs

Securely package & ship to buyers

We Have Other Unique Services

Mailbox Services

Grading Services

Amazon Integration

Historical Sales Data

A Different Way to Sell Cards

We identify, scan, list, store, insure, package, and ship - just send us your sports cards, trading cards, and collectibles. All COMC listings can be automatically posted to Amazon!

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2017 Bowman's Best - [Base] #65

Cody Bellinger [PSA 10 GEM MT]

$13.48

2014 Panini Classics - Significant Signatures Materials - Silver Jerseys #98

Jim Bagby [Good to VG‑EX]

$17.49

2015 Topps - MLB Silhouetted Batter Logo Pin Manufactured Relic #MSBL-02

Rookie Patch Autographs - Marcus Lattimore /650

$6.28

1978 Topps - [Base] #315

Tony Dorsett [Good to VG‑EX]

$11.47

2011 Playoff Contenders - [Base] #195

Henry Hynoski

$5.00

2016 Panini Prizm - Rookie Autograph - Purple Scope Prizm #RA-LTW

Laquon Treadwell /99

$19.52

2017-18 O-Pee-Chee Platinum - Rookie Autos - Rainbow #R-JR

Jack Roslovic

$13.48

1998-99 Topps Finest - Double-Sided Mystery Finest #M35

Steve Yzerman, Sergei Fedorov

$29.29

1990-91 O-Pee-Chee Premier - [Base] #100

Jeremy Roenick [PSA 10 GEM MT]

$24.75

2015-16 Upper Deck Champs - #1 Picks ##1-SC

Sidney Crosby

$28.99

2015-16 SP Authentic - Upper Deck Update #528

Young Guns - Yanni Gourde

$23.54

1997-98 Topps Finest - [Base] #271

Michael Jordan [PSA 10 GEM MT]

$31.94

1990-91 Fleer - [Base] #178

Shawn Kemp [PSA 10 GEM MT]

$20.72

2015-16 Panini Prizm - [Base] #328

Rookies - Karl-Anthony Towns

$10.89

2016-17 Panini Black Gold Collegiate - Autograph #199

Patrick McCaw /199

$23.54

2010 Ultimate Collection - Ultimate Big Game Signatures - [Autographed] #BG-DG

Jump to Popular Players!

Auston Matthews	Patrik Laine	Aaron Judge	Tom Brady	Mickey Mantle	Peyton Manning
Connor McDavid	Bryce Harper	Mike Trout	Kris Bryant	Wayne Gretzky	William Nylander
Michael Jordan HOF	Ken Griffey Jr.	Kobe Bryant	Cal Ripken Jr.	Jack Eichel	Ben Simmons
Derek Jeter	Mitch Marner	LeBron James	Brock Boeser	Nolan Ryan	Shaquille O'Neal

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COMC (Check Out My Collectibles) is a unique marketplace for buying and selling sports cards, gaming cards, comics, and more. We have a great selection of singles, memorabilia cards, autographed cards, and rookie cards. Our listings include front and back scans of every card. We're also a great place to sell cards. Do you want to know more about card values? Learn about our suggested prices.