• The Safe & Easy Way to Buy & Sell Collectibles

    Buy from different sellers and get your cards in ONE shipment.

Ideal for Set Builders & Player Collectors

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

Buy Cards

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.

Buy Baseball Cards Online

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!

Sell Cards

The Safe and Easy Way to Buy and Sell Cards Online

Shop Recently Added

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1985 TCMA 1947 Play Ball - [Base] #27

Jackie Robinson

2014 Bowman Sterling - [Base] #17

Mookie Betts

2015 Topps Finest - [Base] - X-Fractor #20

Marcus Mariota

2014 Topps Chrome - [Base] #184

Khalil Mack [BGS 9.5]

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Allen Robinson

2006 Fleer Hot Prospects - Retrospective - Jerseys [Memorabilia] #RE-TB

Tom Brady

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Christine Michael /250

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Evgeny Kuznetsov

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Connor McDavid

2015-16 O-Pee-Chee Platinum - Marquee Rookies - Rainbow #M50

Jack Eichel

1980-81 O-Pee-Chee - [Base] #324

Doug Soetaert

2006-07 Ultimate Collection - Ultimate Signatures - [Autographed] #US-JF

Jordan Farmar

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Lebron James /275

1992-93 Fleer - [Base] #32

Michael Jordan [PSA 9]

2014-15 Panini Totally Certified - Jerseys - Blue #38

James Harden /199

2006-07 Ultimate Collection - Ultimate Signatures - [Autographed] #US-SW

Shelden Williams

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.