• 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!

13 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 Bowman Sterling Rookie Autographs #BSRA-GS

George Springer

2010 Topps Heritage #429.1

Tim Lincecum

2010 Topps Chrome #75

Mark Teixeira

2010 Topps Chrome #75

Mark Teixeira

1999 Upper Deck Century Legends Epic Signatures #MS

Mike Singletary

1975 McDonald's Quarterback #TEBR

Terry Bradshaw

2012 Topps Chrome #1.1

Andrew Luck (Throwing Ball)

2012 Topps Chrome #1.1

Andrew Luck (Throwing Ball)

2015 Panini Clear Vision Clarity #CL-17

Odell Beckham Jr.

2015-16 Upper Deck Silver Foil Board #474

Young Guns - Brady Skjei

2015-16 Upper Deck UD Canvas #C244

Guy Lafleur

2015-16 Upper Deck UD Canvas #C101

Young Guns - Sam Bennett

2008-09 Upper Deck Ice #148

Alex Pietrangelo /499

1999-00 SPx #118

Chris Herren /2500

2013-14 Panini Innovation Main Exhibit Signatures Rookies #22

Shane Larkin /299

2010-11 Panini Rookies & Stars #129

Jeremy Lin

2015-16 Panini Prestige Acetate Rookies #40

Devin Booker

1995-96 Topps Finest #229

Michael Jordan

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.