• 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

2017 Topps - Jackie Robinson Day Commemorative Patch #JRPC-AM

Andrew McCutchen

2016 Topps Finest - [Base] - Refractor #105

Short Prints - Wade Davis

2008 Topps Heritage High Number - [Base] #595

Clayton Kershaw

2011 Bowman - Chrome Rookie Autograph - Refractor #205

Freddie Freeman /500

2001 Upper Deck Sweet Spot - Game-Used Bats #B-KG

Ken Griffey Jr.

2014 Topps - [Base] #51.2

Randall Cobb (Veteran Variation)

2008 Upper Deck Icons - Immortal Lettermen - Last Names #BN4

Bronko Nagurski /61

2012 Panini Black - [Base] - Rookie Signatures [Autographed] #108

Brandon Bolden /199

2014 Topps Finest - Rookie Autograph Patch #RAP-JMA

Jordan Matthews

2016 Donruss Optic - [Base] #162

Rated Rookies - Dak Prescott

2015-16 Upper Deck Ultimate Collection - [Base] - Silver Jersey [Memorabilia] #120

Ultimate Rookies - Jack Eichel /149

2006-07 Upper Deck - [Base] #240

Young Guns - Kristopher Letang

2015-16 SP Authentic - [Base] #256

Future Watch Autographs - Joonas Donskoi /999

2016-17 Upper Deck - UD Canvas #C241

Retired Stars - Bobby Orr

2013-14 Upper Deck Artifacts - [Base] #152

Alex Galchenyuk /999

1991-92 Upper Deck - Promos #1

Michael Jordan

2015-16 Panini Excalibur - Treasured Ink #TI-LNJ

Larry Nance Jr. /299

2015-16 Panini Select - [Base] #268

Courtside - Karl-Anthony Towns

2012-13 Panini Past & Present - [Base] - Signatures [Autographed] #194

Reggie Jackson

1997-98 Fleer - Total O #9TO

Shaquille O'Neal

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.