• 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

1980 Topps - [Base] #482

Rickey Henderson

2013 Bowman - Chrome Prospects Autographs #BCA-DC

Dylan Cozens

2016 Topps Holiday - [Base] - Metallic Snowflake #HMW58

Kris Bryant

1997 Totally Certified - [Base] - Platinum Red #136

Ken Griffey Jr. /3999

2015 Panini Immaculate Collection - The Greatest Materials #13

Bob Feller /49

1965 Philadelphia - [Base] #111

Mick Tingelhoff [Good to VG‑EX]

2013 Panini National Treasures - [Base] - Century Gold Signatures [Autographed] #269

David Amerson /49

2011 Panini Prestige - [Base] - Rookie Draft Variations #214

Cam Newton

2005 Upper Deck Exquisite Collection - [Base] #89

Maurice Clarett /199

1999 Fleer Sports Illustrated - Autograph Collection #BOBE

Bobby Bell

2015-16 Upper Deck - Shining Stars - Royal Blue #SS-11

Braden Holtby

1976-77 O-Pee-Chee WHA - [Base] #114

Michel Dion

1996-97 Pinnacle - Team Pinnacle #1

Wayne Gretzky

2016-17 Upper Deck MVP - [Base] - Colors & Contours #279

Level 3 Teal - Ryan Pulock

2015-16 Upper Deck - Day with the Cup #DC5

Antti Raanta

1997-98 Upper Deck UD3 - MJ3 #MJ3-2

Michael Jordan

1996-97 SPx - [Base] #8.1

Michael Jordan

2014-15 Panini Select - [Base] - Silver Prizm #100

Concourse - Andrew Wiggins

2000-01 Fleer Tradition - Feel the Game Game Worn #JAWI

Jason Williams

2015-16 Panini Prizm - [Base] #328

Rookies - Karl-Anthony Towns

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.