• 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!

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

2008 Topps Finest - Rookie Redemption #8

Daniel Murphy

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

Tyler Jay

1968 Topps - [Base] #80

Rod Carew

1976 Topps - [Base] #98

Dennis Eckersley

1985 Topps - [Base] #401

Mark McGwire [ENCASED]

2011 Topps Chrome - [Base] - Refractor #25

Colin Kaepernick

1984 Topps - [Base] #63

John Elway

2014 Topps Museum Collection - Signature Series Autographs #SSA-AM

Aaron Murray /350

2012 SP Authentic - Sign of the Times #ST-LG

Ladarius Green

1989 Score - [Base] #270

Troy Aikman

2016-17 Upper Deck - [Base] #201

Young Guns - Auston Matthews

2015-16 Upper Deck - Code to Greatness #CTG-0

Achievement - Connor McDavid

2016-17 Upper Deck - UD Canvas #C92

Young Guns - Anthony Mantha

2007-08 Upper Deck Rookie Class - Box Set [Base] #3

Patrick Kane

2016-17 Upper Deck - [Base] - Gold Rainbow Foil #93

Devan Dubnyk

2015-16 Panini NBA Hoops - End 2 End #2

Stephen Curry

2016-17 Panini NBA Hoops - Road to the Finals #74

Conference Finals - Stephen Curry /499

2014-15 Panini Select - [Base] - Blue and Silver Prizm #90

Concourse - Joel Embiid

2009-10 Topps - [Base] - Gold #317

Ricky Rubio /2009

2013-14 Panini Intrigue - Dunk Company Signatures #16

Nick Anderson /99

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.