Shop from 19,448,817 total and 5,861,377 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!

19 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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2017 Bowman Chrome - Prospect Autographs #CPA-ROH

Ryan O'Hearn

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Auto - Jacob Copeland /99

1995 Classic NFL Draft - 1st Round Picks - Silver Signatures #3

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1963 Topps - [Base] #95.1

Willie Wood

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USA U18 - Duncan Foster

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Bobby Hull

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Robert Thomas /199

2017-18 SPx - [Base] - Materials [Memorabilia] #23

Legends - Pavel Bure

2018-19 Upper Deck - Ceremonial Puck Drop #CPD-2

Willie O'Ree

2018-19 Upper Deck - [Base] #451

Young Guns - Andrei Svechnikov

2014-15 Panini Prizm - [Base] #251

Andrew Wiggins [BGS 9.5 GEM MINT]

2007-08 Upper Deck - [Base] #192

Lebron James [PSA 10 GEM MT]

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Jarrett Allen

1997-98 Topps Chrome - [Base] - Refractor #120

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Giannis Antetokounmpo /299

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.