• 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

1959 Topps - [Base] #1

Ford Frick [Poor]

2014 Bowman - Prospect Autographs Chrome - Refractor #BCAP-JMA

Jason Martin /500

1980 Topps - [Base] #482

Rickey Henderson

2015 Bowman's Best - Best of 2015 Autographs #B15-MMA

Manuel Margot

2016 Topps Heritage - [Base] #475.2

Carlos Correa (Action Image Variation)

2005 Topps Total - [Base] #483

Aaron Rodgers

1998 Topps Chrome - Measures of Greatness - Refractor #MG12

Emmitt Smith

2001 Upper Deck NFL Legends - Past Patterns #PP-DM

Dan Marino

2016 Donruss Optic - [Base] #162

Rated Rookies - Dak Prescott

1997 Pinnacle Certified - Epix - Green #E4

Drew Bledsoe

2013-14 Panini Playoff Contenders - Contenders Sixes #C6-RK1

Frank Corrado, Jordan Schroeder, Mark Arcobello, Nicklas Jensen, Tyler Pitlick,…

2016-17 Upper Deck - [Base] - Silver Foil #243

Young Guns - Oliver Bjorkstrand

2015-16 Upper Deck Tim Hortons Collector's Series - Franchise Force #FF-1

Mark Messier

2016-17 Upper Deck - UD Canvas #C240

Young Guns - Auston Matthews, William Nylander

1998-99 Topps Stadium Club - Triumvirate - Luminous #T16c

Vince Carter

2011-12 Fleer Retro - Precious Metal Gems - Red #PM-28

Elgin Baylor /150

1998-99 Upper Deck - MJ23 - Bronze Quantum Die-Cut #QMM30

Michael Jordan /2300

1990-91 Fleer - [Base] #178

Shawn Kemp [PSA 10]

2008-09 Topps Treasury - [Base] - Bronze Refractor #104

Russell Westbrook /2008

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.