• 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

2015 Bowman's Best - Top Prospects #TP-21

Aaron Judge

1972 Topps - [Base] #441

Thurman Munson

1982 Donruss - [Base] #405

Cal Ripken Jr.

2016 Bowman Draft - Chrome Draft Pick Autographs #CDA-PA

Pete Alonso

1989 Score - [Base] #270

Troy Aikman

1990 Fleer Update - [Base] #U-40

Emmitt Smith

1955 Topps All American - [Base] #20

Sammy Baugh

1961 Topps - [Base] #45

Henry Jordan

2016-17 Upper Deck Compendium - [Base] - Blue #843

Rookies - Jake Guentzel

2015-16 Upper Deck Contours - [Base] #105

Rookie Autographs - Andreas Athanasiou /499

2015-16 SP Authentic - Sign of the Times #SOTT-NK

Nikita Kucherov

2012-13 Upper Deck - Silver Skates #SS40

Alexander Ovechkin

2016-17 SPx - Rookies #R-MM

Mitch Marner /399

2015-16 Panini Luxe - Memorabilia Die-Cuts - Red #5

Russell Westbrook /99

2013-14 Panini Intrigue - 2014 NBA Draft Pick X-Change Redemption #1

Andrew Wiggins

2010-11 Elite Black Box - Status - Signatures [Autographed] #185

Vlade Divac /149

2002-03 Topps Jersey Edition - [Base] #je RHO

Robert Horry

2009-10 Panini Prestige - [Base] #207

Stephen Curry

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.