• 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

2014 Panini Classics - Significant Signatures Materials - Silver Jerseys #81

Gregory Polanco /299

1964 Topps - [Base] #580

Johnny Podres

1981 O-Pee-Chee - [Base] #136

Tim Raines, Bob Pate, Roberto Ramos

2012 Topps Update Series - [Base] #US183

Bryce Harper

2006 UD Legends - Legendary Signatures #68

Roy Jefferson

2009 Playoff Contenders - [Base] #124

Mike Wallace

2006 SP Authentic - Autographs #SP-KJ

Keyshawn Johnson

2011 Plates & Patches - [Base] #115

Cameron Jordan /150

1989 Score - [Base] #270

Troy Aikman

1996-97 SPx - [Base] - Gold #39

Wayne Gretzky

2016-17 Upper Deck - O-Pee-Chee Update Signatures #US-BP

Brayden Point

2016-17 SPx - Rookies #R-MM

Mitch Marner /399

2014-15 SP Authentic - Upper Deck Update #512

Jaromir Jagr

2014-15 Upper Deck - [Base] #206

Sam Reinhart

2016-17 Panini Prizm - [Base] #1

Ben Simmons [BGS 9.5]

1993-94 Upper Deck Special Edition - Die-Cut All-Stars #E4

Scottie Pippen

2007-08 SP Rookie Edition - [Base] #151

Kevin Durant

2015-16 Panini National Treasures - Material Treasures Signatures #MTS-JS

John Stockton /85

2004-05 Topps Chrome - [Base] #23

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.