• 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

1996 Leaf Signature Series - Autographs - Bronze #WICL

Will Clark

2001 Upper Deck Pros & Prospects - Franchise Building Blocks #F18

Mark McGwire, Albert Pujols

2013 Panini America's Pastime - [Base] - Rookie Autographs #260

Collin McHugh /125

2004 Donruss Elite Extra Edition - [Base] #291

Neil Walker /1343

2017 Topps - 1987 Design #87-63

Andrew Benintendi

2016 Donruss Optic - [Base] #168

Rated Rookies - Ezekiel Elliott

2016 Donruss Optic - [Base] #162

Rated Rookies - Dak Prescott

2012 Topps Chrome - [Base] #40.1

Russell Wilson (Throwing Hand Visible)

2016 Panini Spectra - Aspiring Patch Autographs #APA-WS

Wendell Smallwood /199

1998 Upper Deck UD3 - [Base] - Die-Cut #17

Randy Moss /2000

2015-16 Upper Deck - [Base] #201

Young Guns - Connor McDavid

2016-17 Upper Deck - UD Canvas #C105

Young Guns - Jimmy Vesey

2010-11 SP Authentic - [Base] #300

T.J. Brodie /999

2012-13 Upper Deck The Cup - [Base] #100

Dalton Prout /249

2015-16 Upper Deck Ice - Exquisite Rookies #R-28

Max Domi /299

2015-16 Panini Donruss - Newly Crowned Rookie Jerseys #6

Devin Booker /149

2012-13 Panini Past & Present - [Base] - Signatures [Autographed] #115

Antoine Walker

2014-15 Panini Prizm - [Base] - Red White and Blue Pulsar Prizms #252

Jabari Parker

1997-98 Skybox Premium - Autographics - [Autographed] #CHGA

Chris Gatling

2013-14 Panini Innovation - Top-Notch Autographs #64

Scott Wedman /325

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.