• 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

$3.00 Flat Rate Shipping

Buy now, ship later! Purchase over time from many sellers & ship once for $3.00!

10 Million Cards Under One Roof

We house millions of sports cards from thousands of sellers and provide industry renowned customer service!

No Stock Images

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

1968 Topps #50

Willie Mays

2010 Bowman Chrome Prospects Refractor Autographs [Autographed] #BCP103

Nick Franklin /500

2014 Bowman Inception Autographed Relics #AR-AR

Anthony Ranaudo

2013 Bowman Draft Picks & Prospects Chrome Prospect Autographs #BCA-HR

Hunter Renfroe

2014 Bowman Chrome Future of the Franchise Die-Cut Minis #FF-OB

Odell Beckham Jr.

2010 Topps Finest Finest Atomic Rookie #FAR-1

Sam Bradford

2004 Topps Chrome #215

Larry Fitzgerald

1972 Topps #266

Rayfield Wright

1997 Upper Deck NFL Legends Autographs #AL-55

Mark Duper

1970-71 Topps #29

Gordie Howe

2007-08 O-Pee-Chee Premier #140

Nick Foligno /299

2014-15 Upper Deck #215

Trevor van Riemsdyk

2005-06 Upper Deck Rookie Class #1

Sidney Crosby

2005-06 Upper Deck Rookie Class #1

Sidney Crosby

2013-14 Panini National Treasures Material Treasures #7

Klay Thompson /99

1995-96 Topps Mystery Finest #M 2

Anfernee Hardaway

2009-10 Court Kings Memorabilia #81

Derrick Rose /149

1990-91 Fleer #26

Michael Jordan [PSA 9]

2012-13 Panini Marquee Rookie Signatures #24

Jonas Valanciunas

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.