• 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!

13 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

2012 Bowman Platinum #56

Bryce Harper

2012 Bowman Draft Picks & Prospects Chrome Prospects Certified Autographs [Autographed] #BCA-MO

Marcell Ozuna

2010 Topps Manufactured Commemorative Patch #MCP27

Ozzie Smith

2012 Topps Prime Level V Autograph Relics #PV-CF

Coby Fleener /780

1972 Topps #100

Joe Namath

1990 Pro Set #767

Everson Walls

2011 Bowman Sterling Autographs Blue Refractors #BSA-JHO

Justin Houston /99

1994 EA Sports NHL '94 Mail-In [Base] #105

Mario Lemieux

2016-17 Upper Deck MVP Green #296

Anthony Mantha

1974-75 Topps #100

Bobby Orr

1987-88 O-Pee-Chee #123

Adam Oates

1994-95 Topps Finest Bowman's Best Refractors #20

Jaromir Jagr

2014-15 Panini Gold Standard Gold Scripts #2

Rodney Hood /199

1998-99 Upper Deck Hardcourt Jordan - Holding Court Red #J20

Allen Iverson, Michael Jordan /2300

1988-89 Fleer #115

John Stockton

1996-97 Skybox Premium Star Rubies #241

Anfernee Hardaway

2015-16 Panini Gold Standard Gold Strike #22

Michael Cooper /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.