• 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

2008 SP Authentic - [Base] #2

Derek Jeter [PSA 10]

2010 Bowman Chrome - Prospects #BCP207

Gary Sanchez

2010 Bowman Sterling - Prospects - Autographs [Autographed] #BSP-AC

Aroldis Chapman

1995 Topps Finest - [Base] - Refractors #158

Juan Gonzalez

2016 Donruss Optic - [Base] - Purple #168

Rated Rookies - Ezekiel Elliott

2007 Upper Deck - UD Game Jersey #UDGJ-KW

Kurt Warner

2016 Upper Deck USA Football - Future Swatch Jersey USA U19 #FS-MH

Mecole Hardman Jr.

2000 Press Pass - Autographs #COBR

Courtney Brown

1989 Topps Traded - [Base] #83T

Barry Sanders [PSA 8]

2016-17 Upper Deck - [Base] - Gold Rainbow Foil #146

Sidney Crosby

2016-17 Upper Deck - UD Canvas #C243

Retired Stars - Mario Lemieux

2010-11 Ultimate Collection - Ultimate Signatures #US-SB

Sergei Bobrovsky

2014-15 Upper Deck - [Base] #478

Andrei Vasilevskiy

2009-10 Upper Deck The Cup - [Base] #110

Tyler Eckford /199

2014-15 Panini Preferred - Roundball Die-Cut Autographs #61

Giannis Antetokounmpo /99

2008-09 Topps Chrome - [Base] #181

Derrick Rose

2016-17 Panini Donruss - The Champ is Here #2

Stephen Curry

1998-99 Upper Deck UD Choice - [Base] - Choice Reserve #23

Michael Jordan

1988-89 Fleer - [Base] #17

Michael Jordan [PSA 8]

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.