• 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

2014 Topps Museum Collection - [Base] - Green #77

Ken Griffey Jr. /199

2016 Topps Archives Snapshots - Topps Online Exclusive [Base] - Autographs [Autographed] #AS-RR

Rob Refsnyder /350

1999 Ultimate Victory - [Base] #137

Tim Hudson

2016 Topps Tribute - [Base] - Green #39

Bryce Harper /99

2012 Panini Contenders - [Base] - Playoff Ticket #87

Marshawn Lynch /99

2009 Topps Finest - [Base] - Refractor Pigskin #100

Matthew Stafford

2016 Panini Contenders Draft Picks - [Base] #143.1

College Ticket - D.J. Foster (Base)

2012 Topps Platinum - Rookie Die-Cut #PDC-AL

Andrew Luck

2011 Upper Deck College Football Legends - [Base] - Autographs [Autographed] #59

Ron Dayne

2016-17 Upper Deck - UD Canvas #C104

Young Guns - Charlie Lindgren

2015-16 Upper Deck Black Diamond - Championship Rings #CR-AV

Antoine Vermette

2016-17 Upper Deck - UD Game Jersey #GJ-SC

Sidney Crosby

2005-06 Fleer Ultra - Scoring Kings Jersey #SKJ-SC

Sidney Crosby

2014-15 Upper Deck Black Diamond - [Base] #229

Evgeny Kuznetsov

2015-16 Panini Contenders Draft Picks - [Base] #127

College Ticket Autographs - Kevon Looney

1996-97 Fleer Ultra - [Base] - Platinum Medallion Edition #P-162

Steve Kerr

1990-91 Star Charles Barkley - Promos #NoN

Charles Barkley

2003-04 Bowman - [Base] #123

Lebron James

2013-14 Panini Prizm - [Base] - Prizms #276

Victor Oladipo

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.