Shop from 41,772,736 total and 11,906,292 unique sports cards. Baseball, Football, Hockey, and Basketball.

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

41 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

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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. COMC listings are automatically posted to eBay!

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Shop Recently Added

1990 Bowman - [Base] - Factory Set Collector's Edition (Tiffany) #457

Willie Mays [Poor to Fair]

$80.69

2019 Topps Allen & Ginter - Mini Framed Relics #MFR-DJ

Derek Jeter

$31.02

2006 Bowman Heritage - Prospects - Mini #BHP85

Clayton Kershaw

$17.50

2023 Topps Series 1 - [Base] - Gold #31

Barry Sanders [BGS 9.5 GEM MINT]

$624.07

1993 Collector's Edge - Edge F/X - Gold #F/X4

Joe Montana

$11.47

2008 SP Rookie Threads - Rookie Lettermen - Last Name #CH38

Steve Largent

$28.43

1998 Flair Showcase - [Base] - Legacy Collection Row 2 No Name on Back #17

Steve Young /100

$114.10

2014-15 Upper Deck - UD Canvas #C244

Retired Stars - Teemu Selanne

$35.03

2019-20 O-Pee-Chee - [Base] - Blue #528

Marquee Rookies - Cale Makar

$57.74

2020-21 Skybox Metal Universe - [Base] - Precious Metal Gems Red #107

Rookies - Nick Robertson /90

$36.77

2022-23 Upper Deck Series 1 - [Base] #213

Young Guns - Matty Beniers

$8.76

2022-23 Upper Deck AHL - [Base] - Exclusives #146

Star Rookies - Jesper Wallstedt /100

$18.94

2020-21 Panini Prizm Draft Picks - [Base] - Pink Ice Prizm #86

Crusade - Deni Avdija [PSA 10 GEM MT]

$17.49

2014-15 Panini Prizm - Autographs - Blue Pulsar Prizm #63

Elvin Hayes /249

$29.27

2022-23 Panini Select - [Base] - Blue Prizm #83

Concourse - Chet Holmgren [PSA 9 MINT]

$34.74

1990-91 Fleer - [Base] #26.1

Michael Jordan (Black Line Under Biographical Information) [PSA 8 NM&…

$22.16

1996-97 Topps - [Base] - Foil NBA 50 #171

Jump to Popular Players!

Michael Jordan HOF	LeBron James	Auston Matthews	Mike Trout	Wolverine	Shaquille O'Neal
Connor Bedard	Shohei Ohtani	Spider-Man	Zion Williamson	Derek Jeter	Stephen Curry
Connor McDavid	Luka Doncic	Ken Griffey Jr.	Tom Brady	Ja Morant	Patrick Mahomes II
Kobe Bryant	Aaron Judge	Alexis Lafreniere	Ronald Acuna Jr.	Paul Goldschmidt	Wayne Gretzky

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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.