• 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

1972 Topps - [Base] #777

Hoyt Wilhelm

1970 Kellogg's 3-D Super Stars - [Base] #12

Willie Mays

2014 Topps Chrome Update - Mega Box World Series Heroes #WSC-17

Roberto Clemente

2014 Topps Chrome - Rookie Autographs #33

Jonathan Schoop

1993 Bowman - [Base] #511

Derek Jeter

1989 Score - [Base] #270

Troy Aikman

2015 Panini Contenders - [Base] #167

Rookie Ticket - Jordan Taylor

1972 Topps - [Base] #287

Ken Houston [Poor to Fair]

2016 Panini Contenders Draft Picks - [Base] #331

College Ticket - Eli Apple

2016 Panini Clear Vision - Clear Rivals - Bronze #8

Brett Favre, Aaron Rodgers /79

2005-06 Upper Deck Trilogy - Ice Scripts - [Autographed] #IS-MH

Milan Hejduk

2016-17 Upper Deck - NHL Firsts #NF-23

Achievement - Auston Matthews

2016-17 Upper Deck SP Game Used - [Base] - Red Auto Material [Autographed] [Memorabilia] #169

Authentic Rookies - Thomas Chabot

2016-17 Upper Deck - UD Canvas #C232

Young Guns - Artturi Lehkonen

2016-17 Upper Deck MVP - 2015-16 Post Season Variations #PS8

Matt Murray

1999-00 Skybox E-X - E-Xciting #4XCT

Kevin Garnett

2008-09 Topps - [Base] #199

Russell Westbrook

1998-99 Skybox Molten Metal - Fusion #8F

Heavy Metal - Reggie Miller

2001-02 Upper Deck Ovation - MJ 1982 Championship Commemorative #MJF5

Michael Jordan

2012-13 Elite Series - [Base] #99

Lebron James /275

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.