• 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!

13 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

2015 Panini Elite Extra Edition - USA Baseball 15U - Game Jerseys [Memorabilia] #11

Ryder Green

2011 Topps Finest - [Base] - Refractor #97

Anthony Rizzo /549

2012 Bowman Draft Picks & Prospects - Chrome Draft Picks Certified Autographs - Refractor [Autographed] #BCA-MH

Mitch Haniger

1999 Fleer Sports Illustrated Greats of the Game - Autographs #BOGI

Bob Gibson

1963 Topps - [Base] #470

Tom Tresh

2016 Panini Spectra - [Base] #238

Rookie Autographs - Rico Gathers /199

2011 Topps Chrome - [Base] - Refractor #104

J.J. Watt

2016 Panini Day - [Base] #52

Dak Prescott /699

2015 Panini Contenders Draft Picks - [Base] #130.1

Bud Dupree (Base)

2016-17 Panini Instant NFL - [Base] #382

Elandon Roberts /122

2016-17 Upper Deck - UD Canvas #C120

Young Guns - Mitch Marner, Patrik Laine

2015-16 Upper Deck Fusion - Rookie Achievements #R1

Connor McDavid

2015-16 Upper Deck Ultimate Collection - [Base] - Spectrum Silver Autographed Jersey [Autographed] [Memorabilia] #63

Ultimate Rookies Auto Jersey - Tier 1 - Anthony Stolarz /149

2015-16 Upper Deck Ultimate Collection - [Base] #87

Autographed Ultimate Rookies - Tier 1 - Brady Skjei /299

2015-16 Upper Deck - O-Pee-Chee Update - Red Border #U19

Ben Hutton

1997-98 Topps Chrome - Season's Best #6

Michael Jordan

1970-71 Topps - [Base] #137

Calvin Murphy [Good to VG‑EX]

2001-02 Upper Deck Inspirations - [Base] #123

Brendan Haywood, Shaquille O'Neal /1500

2016-17 Panini Prizm - [Base] - Silver Prizm #23

Denzel Valentine

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.