• 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

1973 Topps - [Base] #220

Nolan Ryan [Good to VG‑EX]

1989 Upper Deck - [Base] #1

Ken Griffey Jr.

2014 Bowman Sterling - Prospect Autographs #BSPA-MC

Michael Conforto

1996 Donruss - Diamond Kings #DK-16

Don Mattingly /10000

2013 Topps Five Star - Retired and Active Player Autographs #FSBA-DMU

Dale Murphy /386

1954 Bowman - [Base] #32

Elroy Hirsch [Good to VG‑EX]

2016 Panini Spectra - [Base] #152

Rookies - Tyreek Hill /99

2016 Donruss - [Base] #362

Rated Rookies - Dak Prescott

2015 Bowman - Chrome Rookie Autographs - Refractor #RCRA-MJ

Matt Jones

2006 UD Legends - Legendary Signatures #64

Joe Jacoby

2016-17 Upper Deck - [Base] - Silver Foil #75

Connor McDavid

2013-14 Upper Deck Trilogy - Three Star Spotlight Jerseys - Past, Present & Future #PPF-MINN

Zach Parise, Marian Gaborik, Charlie Coyle

1998-99 Topps Finest - Red Lighters #R7

Steve Yzerman

2016-17 Upper Deck - UD Canvas #C91

Young Guns - Mitch Marner

2015-16 Upper Deck - Clear Cut Superstars #CCS-53

Victor Hedman

1995-96 Fleer Metal - Scoring Magnet #4

Michael Jordan

2015-16 Panini NBA Hoops - [Base] - Gold #261

Rookies - Kristaps Porzingis

2015-16 Panini Prizm - [Base] - Silver Prizm #329

Rookies - Jahlil Okafor

1992-93 Fleer - Team Leaders #22

Clyde Drexler

2016-17 Panini Prizm - [Base] - Silver Prizm #136

Ivica Zubac

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.