• 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.

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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

2017 Topps Heritage - [Base] #214.2

Aaron Judge (Rookie Action Variation)

2015 Bowman Draft - Chrome Draft Pick Autographs #BCA-TC

Trent Clark

2017 Topps Heritage - [Base] - Chrome Variations Purple Refractor #THC-500

Kris Bryant

2015 Topps - First Pitch #FP-04

Eddie Vedder

2011 Bowman Sterling - MLB Future Stars Autographs #BSP-JF

Jose Fernandez

2015 Upper Deck - Rookie Lettermen Signatures #RL-HE

Jeff Heuerman /75

2004 Topps Chrome - [Base] #215

Larry Fitzgerald

2012 Panini National Treasures - Franchise Favorites - Signatures #28

Isaac Bruce /49

2012 Topps Strata - Rookie Autographs - [Autographed] #RA-JK

Jermaine Kearse

1989 Score - [Base] #270

Troy Aikman

1998-99 Bowman's Best - Mirror Image Fusion #F15

Wayne Gretzky, Brendan Morrison

2015-16 Upper Deck Fusion - Rookie Achievements #R1

Connor McDavid

2013-14 Upper Deck Trilogy - Three Star Spotlight Jerseys - National Trios #SWE-STAR

Nicklas Backstrom, Erik Karlsson, Henrik Zetterberg

2015-16 Upper Deck - UD Canvas #C108

Young Guns - Artemi Panarin [BGS 9.5]

2016-17 Upper Deck SP Game Used - [Base] - Purple #132

Authentic Rookies - Shane Harper

2012-13 Panini Gold Standard - Mother Lode #43

Kurt Rambis /99

2013-14 Totally Certified - Memorabilia - Totally Red #181

Giannis Antetokounmpo /199

2016-17 Panini Prizm - [Base] - Silver Prizm #255

Domantas Sabonis

2016-17 Panini Prizm - [Base] #1

Ben Simmons

2013-14 Panini Elite - Rookie Essentials Materials Signatures #RE-GA

Giannis Antetokounmpo /299

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.