• 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!

15 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

2016 Bowman Chrome - Prospects - Blue Refractor #BCP192

Chance Adams /150

2017 Topps Archives - 1960 Rookie Stars #RS-9

Aaron Judge

1958 Topps - [Base] #275

Elston Howard

2014 Panini National Treasures - [Base] #253

Rookie Materials Signatures - Preston Brown /99

2004 Topps - [Base] #311

Ben Roethlisberger

1991 Topps Stadium Club - [Base] #94

Brett Favre

2008 Donruss - Silver Signatures #SS-KS

Ken Stabler

2015 Panini Spectra - Rising Rookie Materials #RR-MG

Melvin Gordon /199

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

Zach Werenski /165

2015-16 Upper Deck - Clear Cut Superstars #CCS-14

Johnny Gaudreau

2015-16 O-Pee-Chee Platinum - Marquee Rookies #M1

Connor McDavid

2016-17 Upper Deck SP Game Used - Banner Year Stadium Series 2016 #BSS-AP

Chi vs Min - Artemi Panarin

2015-16 Upper Deck Full Force - Valuable Assets #V-CM

Foil Rookies - Connor McDavid

2016-17 Panini Prizm - [Base] - Silver Prizm #290

Patrick McCaw

1988-89 Fleer - [Base] #20

Scottie Pippen

2014-15 Panini Prizm - [Base] #251

Andrew Wiggins

2012-13 Panini National Treasures - '11 vs '12 Signatures - [Autographed] #8

Brandon Knight, Terrence Ross /99

2010-11 UD North Carolina Basketball - [Base] - Autographs [Autographed] #29

John Kuester

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.