• 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

1989 Upper Deck - [Base] #1

Ken Griffey Jr.

2010 Topps Update Series - Chrome Refractor RC Box Loader #CHR23

Jake Arrieta

2013 Bowman Draft Picks & Prospects - Draft Picks Chrome - Blue Wave Refractor #BDPP15

Clint Frazier

2003 Bowman Heritage - [Base] - Rainbow First Year #210

Robinson Cano

2015 Panini Donruss - Rookie Threads #DRT-SD

Stefon Diggs

1955 Topps All American - [Base] #87

"Germany" Schulz

2012 Panini National Treasures - [Base] - Century Gold Signatures [Autographed] #263

Mark Barron /49

2005 Topps - [Base] - Black #375

DeMarcus Ware

2006 SP Authentic - Autographs #SP-TH

T.J. Houshmandzadeh

2016-17 Upper Deck - A Piece of History 1000 Point Club #PC-PE

Patrik Elias

2015-16 Upper Deck Ultimate Collection - Autographed Debut Threads #ADT-KF

Kevin Fiala /99

2016-17 SPx - Rookies - Blue Autograph [Autographed] #R-MS

Mikhail Sergachev /165

2013-14 Panini Prizm - Rookie Autograph - [Autographed] #A-SV

Sami Vatanen

1986-87 Fleer - Stickers #2

Larry Bird

2005-06 SP Signature Edition - Authentic Signatures - [Autographed] #AS-AL

Al Jefferson

1975-76 Topps - [Base] #254

Moses Malone

2014-15 Panini Select - Rookie Jersey Autographs - Orange Prizm #5

T.J. Warren /60

2015-16 Panini Excalibur - Regal Endorsements #RE-DNS

Don Nelson /234

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.