• 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!

12 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 Donruss Team MVP's #16

Rickey Henderson

2010 Topps Chrome Rookie Autographs #205

Ian Desmond

1982 Topps Traded #109T

Ozzie Smith

2006 Topps Heritage #1

David Ortiz

2000 Pacific Crown Royale #110

Tom Brady

1999 SP Signature Edition Signatures #DP

Drew Pearson

2006 SP Authentic #260

Brandon Marshall /999

2014 Topps Museum Collection Signature Swatches Autographed Dual Relics #SSDRA-CL

Cody Latimer /200

2007 SAGE Hit Jerseys #ML

Marshawn Lynch

2015-16 Upper Deck Full Force #115

3D Full Force Freshman - Mikko Rantanen

2015-16 Upper Deck One Timers #1T-PS1

Achievement - P.K. Subban

1998-99 SPx Finite #151

Wayne Gretzky /2625

2015-16 Upper Deck UD Canvas #C265

Program of Excellence - Robby Fabbri

2005-06 Upper Deck Rookie Update #187

Rick Rypien /1999

2002-03 Upper Deck Sweet Shot #124

Amar'e Stoudemire /499

2009-10 Upper Deck VS Dual Materials #VS-BN

Steve Nash, Kobe Bryant /600

1998-99 Upper Deck MJ23 Bronze Quantum Die-Cut #QMM15

Michael Jordan /2300

1992-93 Fleer Ultra #328

Shaquille O'Neal [PSA 10]

2013-14 Panini Preferred Jumbo Memorabilia Booklet #12

David Robinson /149

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.