• 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

2013 Bowman Inception - Prospect Autographs #PA-JB

Jose Berrios

2014 Bowman Draft Picks & Prospects - Top Prospects Chrome #CTP-39

Aaron Judge

2015 Topps Chrome - Rookie Autographs #AR-JS

Jorge Soler

2016 Panini Donruss - New Breed Autographs #NB-MS

Matt Szczur

1993 Topps - [Base] #98

Derek Jeter [BGS 8.5]

2016 Donruss Optic - [Base] - Rookie Signatures Holo [Autographed] #109

Chris Jones /99

1990 Fleer Update - [Base] #U-40

Emmitt Smith

2005 Playoff Absolute Memorabilia - Marks of Fame - Gold #MF-15

Joe Namath /150

2014 Panini Prizm - Autographed Rookie - Panini Logo Prizms #AR-JK

Jerick McKinnon /75

2016 Panini Certified - New Generation Jerseys Mirror - Orange #11

Sterling Shepard /399

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

Henrik Sedin

2015-16 Upper Deck Ultimate Collection - Material Trios #MC3-BUF

Evander Kane, Jack Eichel, Sam Reinhart

2015-16 Upper Deck - Shining Stars - Royal Blue #SS-4

Duncan Keith

2008-09 Upper Deck Be a Player - Signatures #S-AL

Andreas Lilja

2015-16 Upper Deck Tim Hortons Collector's Series - Above the Ice #AI-SC

Sidney Crosby

2001-02 Upper Deck Honor Roll - All-NBA Authentic Jerseys #KM

Karl Malone

2009-10 Playoff Contenders - Round Numbers #14

Dwyane Wade, Stephen Curry

2009-10 Panini Season Update - Rookie Challenge #1

Stephen Curry

2007-08 Topps Chrome - [Base] #131

Kevin Durant

2015-16 Panini Prizm - [Base] - Green Prizm #400

MVP - 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.