• 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!

14 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

2008 Bowman Draft Picks & Prospects - [Base] #BDP26

Clayton Kershaw

2014 Bowman - Prospect Autographs Chrome #BCAP-ED

Edwin Diaz

1961 Topps - [Base] #211

Bob Gibson [Poor to Fair]

1990 Pro Set - Printing Proofs #BASA.3

Barry Sanders (Blank Back)

2009 Upper Deck Black - [Base] #70

L.C. Greenwood /250

2002 Fleer Focus Jersey Edition - Materialistic Home #9M

Brett Favre

2012 Panini Rookies & Stars - [Base] - True Blue #216

Andrew Luck /399

1965 Topps - [Base] #145

Jim Otto

2001-02 Topps/O-Pee-Chee Archives - [Base] #52

Johnny Bower

2016-17 Upper Deck - [Base] #201

Young Guns - Auston Matthews

2015-16 Upper Deck - UD Canvas #C96

Young Guns - Max Domi

2015-16 O-Pee-Chee Platinum - Retro #R97

Connor McDavid

2014-15 Upper Deck Ice - [Base] #156

Alexander Wennberg /249

2007-08 Upper Deck NBA Rookie - Box Set [Base] #11

Kevin Durant

2014-15 Upper Deck Lettermen - Rookie Premier Lettermen Autographs #RL-HA

Joe Harris /50

1997-98 Topps Stadium Club - Triumvirate #T15A

David Robinson

1996-97 Skybox Premium - Autographics - Black Ink [Autographed] #NAMC

Nate McMillan

2016-17 Panini Prizm - [Base] #1

Ben Simmons [BGS 9.5]

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.