• 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

1964 Topps - [Base] #563

Dal Maxvill

2011 Bowman Draft Picks & Prospects - [Base] #101

Mike Trout

2014 Topps - Class Rings - Silver #CR-23

Ken Griffey Jr.

2006 SP Authentic - [Base] #201

Greg Jennings /1175

2011 Topps Chrome - [Base] - Rookie Autograph [Autographed] #37

Aldon Smith

2013 Panini Contenders - [Base] #208

Eddie Lacy

2016 Upper Deck USA Football - USA U17 Dual Autos #DA-SR

Ian Roberts, Jesse Sims

2014 Panini Black Gold - Golden Opportunity Dual Jerseys #GO-DEN

Demaryius Thomas, Cody Latimer /149

2016-17 Upper Deck - UD Canvas #C232

Young Guns - Artturi Lehkonen

1999-00 SPx - [Base] #164

Daniel Sedin /1999

2014-15 Upper Deck - UD Canvas #C185

Sidney Crosby

2015-16 SP Authentic - Great White North Autographs #GWN-SR

Sam Reinhart

2015-16 O-Pee-Chee Platinum - Marquee Rookies #M1

Connor McDavid

1995-96 Topps Finest - [Base] - Refractor #190

Grant Hill

1993-94 Upper Deck - Locker Talk #LT1

Michael Jordan

2006-07 SPx - [Base] #12

Michael Jordan

2013-14 Panini Pinnacle - Autographs #76

Giannis Antetokounmpo

2011-12 Past & Present - Breakout - Signatures [Autographed] #26

Gordon Hayward

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.