• 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!

14 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

2017 Topps Now - Topps Online Exclusive [Base] #103

Aaron Judge /1578

2017 Topps - 1987 Design #87-63

Andrew Benintendi

1961 Topps - [Base] #260

Don Drysdale

1963 Fleer - [Base] #47

Roger Craig

2010 Classics - [Base] #182

Rob Gronkowski /999

2002 SP Legendary Cuts - [Base] #169

Ed Reed /1100

1979 Topps - [Base] #234

Jon Kolb [Good to VG‑EX]

2016 Panini Certified - New Generation Jerseys Mirror - Red #13

Michael Thomas /299

1998 SP Authentic - [Base] #42

Brett Favre /2000

2013-14 Panini National Treasures - Rookie Booklet Jumbo Jersey Autograph #RB-RLY

Morgan Rielly /99

2016-17 Upper Deck - UD Canvas #C92

Young Guns - Anthony Mantha

2015-16 Upper Deck Ultimate Collection - 2005-06 Ultimate Rookies - Silver Jersey [Memorabilia] #05-AP

Tier 1 - Artemi Panarin /125

2015-16 Upper Deck MVP - Rookie Redemption Pack #RR-3

Central Division

2016-17 Upper Deck - [Base] #225

Young Guns - Jesse Puljujarvi

2016-17 Panini NBA Hoops - Dreams #3

Karl-Anthony Towns

1999-00 Bowman's Best - Franchise Foundations #FFO10

Shaquille O'Neal

2010-11 UD North Carolina Basketball - [Base] - Autographs [Autographed] #37

Al Wood

2003-04 Bazooka - [Base] - Gold #276

Lebron James

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.