Shop from 15,983,024 total and 4,972,224 unique sports cards. Baseball, Football, Hockey, and Basketball.

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!

15 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.

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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

Sell Baseball Cards Online

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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The Safe and Easy Way to Buy and Sell Cards Online

Shop Recently Added

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Roy Campanella

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Gleyber Torres

1996 Fleer Metal - [Base] - Platinum Edition #107

Ken Griffey Jr.

1995 Topps Stadium Club - Crystal Ball #CB14

Derek Jeter

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Desmond Lindsay

2015 Panini Spectra - Catalysts #CA-OB

Odell Beckham Jr. /199

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Jay Novacek

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Marcus Mariota (Running)

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Rookie Prime Signatures - Dont'a Hightower /199

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Joe Sakic

2016-17 Upper Deck - [Base] #468

Young Guns - Mitch Marner

2016-17 Upper Deck - [Base] #451

Young Guns - Patrik Laine

2016-17 Upper Deck Ice - [Base] #158

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2016-17 O-Pee-Chee Platinum - Rookie Autographs #R-CL

Charlie Lindgren

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Robert Covington /299

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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. We don't use stock images; 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.