• Black Friday Deals

    Thurs, Nov 26th - Mon, Nov 30th

    Biggest Sale of the Year

    Free domestic shipping with the purchase of 20 items
    COMC Scratch to Win cards included in orders give chance to win up to $100 of store credit!
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  • 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

1995 Pinnacle Zenith Edition Z Team #1

Cal Ripken Jr.

2015 Topps Chrome Refractor #112

Kris Bryant

1986 Topps Traded Collector's Edition (Tiffany) #50T

Bo Jackson

2006 Upper Deck Future Stars #147

Jon Lester

2008 SAGE Hit Autographs #A73

Ray Rice

1976 Topps #427

Too Tall Jones

1998 Topps Chrome #165

Peyton Manning

2009 Donruss Threads Rookie Collection Combo Materials #11

Knowshon Moreno, Matthew Stafford /500

1974 Topps #451

Ken Stabler

2013-14 Upper Deck Black Diamond #241

Dougie Hamilton

1996-97 Upper Deck Lord Stanley's Heroes Quarterfinals #LS5

Martin Brodeur /5000

1984-85 Topps #49

Steve Yzerman

1999-00 Upper Deck Gretzky Profiles #GP8

Wayne Gretzky

2013-14 Upper Deck #451

Filip Forsberg

2012-13 Panini Immaculate Collection Immaculate Quad Materials #14

Kawhi Leonard /50

2014-15 Panini Gold Standard #18

Stephen Curry /285

2008-09 SP Rookie Threads #71

Brook Lopez /599

1997-98 Upper Deck Diamond Vision Dunk Vision #D5

Kevin Garnett

1997-98 Skybox Premium Autographics [Autographed] #DEFI

Derek Fisher

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.