• 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!

11 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

2014 Bowman Prospects Chrome Blue Wave Refractor #BCP17

Jose Abreu

2011 Topps Tier One Top Shelf Relics Single Relics #TSR 3

Thurman Munson /399

2005 Playoff Absolute Memorabilia Spectrum Silver #115

Don Mattingly /150

2012 Topps Allen & Ginter's Colony in a Card #NoN

Artemia Salina

2014 Bowman Rookie Chrome Refractor Autograph #106

Andre Williams

2012 Leaf Draft Autographs Red #CH2

Casey Hayward

2012 Topps Magic Autograph [Autographed] #249

Zach Miller

2004 Upper Deck Foundations Dual Endorsments #DE-JJ

Kevin Jones, Steven Jackson

2012-13 Panini Rookie Anthology Elite Intensity #I-10

Sidney Crosby /500

1975-76 Topps #288

Bobby Orr

2011-12 Panini Rookie Anthology Luxury Suite #14

Mats Zuccarello

2013-14 Upper Deck Series One UD Game Jersey #GJ-RB

Ray Bourque

2013-14 Upper Deck #228

Seth Jones

1999-00 Upper Deck Retro Epic Jordan #J6

Michael Jordan

2011-12 Fleer Retro Autographs [Autographed] #74

Chandler Parsons

2003-04 Upper Deck Victory #101

Lebron James

1993-94 Topps Finest Refractor #118

David Robinson

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.