• 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

$3.00 Flat Rate Shipping

Buy now, ship later! Purchase over time from many sellers & ship once for $3.00!

11 Million Cards Under One Roof

We house millions of sports cards from thousands of sellers and provide industry renowned customer service!

No Stock Images

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

1988 Topps Traded Box Set [Base] Collector's Edition (Tiffany) #66T

Tino Martinez

2014 Bowman Rookie Autographs Chrome Blue Refractor #BCAR-WF

Wilmer Flores /250

1957 Topps #4

Johnny Logan

2013 Bowman Sterling Prospect Certified Autographs #BSAP-MS

Miguel Sano

2009 Upper Deck Signature Stars #140

Carlos Gonzalez

2011 Playoff Contenders #200

Robert Quinn

2011 Topps Rising Rookies Playmaker Swatches #PS-JC

Jamaal Charles

2005 Bowman #112

Aaron Rodgers

2004 Fleer Ultra Gold Medallion #213

Ben Roethlisberger

1977-78 Topps #251

Bobby Orr

1985-86 Topps #120

Wayne Gretzky

2010-11 Panini Luxury Suite #120

Guy Chouinard /199

2007-08 SPx #210

Andrew Cogliano /999

1974-75 O-Pee-Chee WHA #30

Gerry Cheevers

2007-08 SPx Super Scripts Autograph [Autographed] #SS-JG

Jeff Green

1996-97 Topps Foil NBA 50 #138

Kobe Bryant

2010-11 Playoff Contenders Patches #118

Avery Bradley

2014-15 Panini Donruss Wrapper Redemption All-Star Weekend Award Winners #AS1

Andrew Wiggins

1993-94 Fleer Ultra Power in the Key #2

Michael Jordan

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.