• 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

1978 Topps Burger King - Restaurant Detroit Tigers #13

Lou Whitaker

2017 Topps Heritage - [Base] #427.1

High Number SP - Bryce Harper (Base)

1995 Signature Rookies Old Judge - Star Squad #SS3

Derek Jeter /10000

2016 Topps Tribute - Rightful Recognition Autographs #NOW-JP

Joc Pederson /99

2015 Bowman Draft - Chrome - Blue Refractor #157

Austin Riley /150

2013 Score - Franchise Fabrics #FF-DH

Devin Hester

2015 Topps Chrome - [Base] - Hot Box Blue Diamond Refractor #150

Rookies - Marcus Mariota

1961 Topps - [Base] #59

John Brodie [Good to VG‑EX]

2007 Playoff Absolute Memorabilia - Rookie Jersey Collection #RJC-32

Marshawn Lynch

2011 Upper Deck Sweet Spot - Rookie Signatures #RS-RS

Ricky Stanzi /599

2016-17 Upper Deck - UD Canvas #C106

Young Guns - Patrik Laine

2016-17 Upper Deck - UD Game Jersey #GJ-CM

Connor McDavid

2016-17 Upper Deck - [Base] #225

Young Guns - Jesse Puljujarvi

2015-16 SP Authentic - [Base] #256

Future Watch Autographs - Joonas Donskoi /999

2016-17 Upper Deck SP Game Used - Rookie Sweaters #RS-AM

Auston Matthews /499

2015-16 Panini National Treasures - NBA Material #17

Kevin Garnett /99

2012-13 Panini Prizm - [Base] - Prizms #238

Bradley Beal

2016-17 Panini Donruss Optic - [Base] - Holo #151

Ben Simmons

2006-07 Upper Deck Sweet Shot - [Base] #93

Kyle Lowry /799

2014-15 Panini Excalibur - Red White and Blue Jerseys #8

James Harden

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.