• 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

2014 Topps Five Star - Autographs #FSA-JD

Josh Donaldson /399

2016 Topps Archives - [Base] #301

1991 Design Short Prints - Kenta Maeda

1971 Topps - [Base] #596

Mike Jorgensen

1959 Topps - [Base] #30

Nellie Fox [Good to VG‑EX]

2008 Topps Stadium Club - [Base] - First Day Issue #140

Max Scherzer /599

2012 Panini Prizm - [Base] #230

Russell Wilson

2014 Topps Chrome - [Base] - Black Refractor #173

Teddy Bridgewater /299

2016 Donruss Optic - [Base] - Orange #172

Rated Rookies - Jared Goff /199

2016 Panini Prizm Collegiate Draft Picks - [Base] - Prizms Autographs [Autographed] #232

Draft Picks - Taylor Decker

1997 Topps Finest - [Base] #154

Chris Spielman

2016-17 Upper Deck Compendium - [Base] - Blue #900

Rookies - Auston Matthews

2012-13 Upper Deck - Silver Skates #SS35

Mark Messier

2014-15 Upper Deck - [Base] #225

Aaron Ekblad

2015-16 Upper Deck Full Force - Immediate Impacts #II-CM

Foil Rookies - Connor McDavid

2015-16 Upper Deck Contours - [Base] #105

Rookie Autographs - Andreas Athanasiou /499

2015-16 Panini Prizm - [Base] - Silver Prizm #317

Rookies - Josh Richardson

1993-94 Topps Finest - [Base] - Refractor #115

Hakeem Olajuwon

2015-16 Panini Spectra - [Base] #132

Rookie Jerseys Autograph Prizms - Jonathon Simmons

1991-92 Upper Deck - Promos #1

Michael Jordan

2014-15 Panini Preferred - Silhouettes #290

Walter Davis /60

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.