• 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.

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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

2015 Panini Prizm - Diamond Marshals - Prizms #1

Mike Trout

2013 Bowman Sterling - Prospect Certified Autographs #BSAP-JS

Jorge Soler

2016 Bowman Chrome - Prospects Autographs #BCAP-JA

Jonah Arenado

1954 Topps - [Base] #141

Joey Jay [Good to VG‑EX]

1999 Fleer Sports Illustrated Greats of the Game - Autographs #BUON

Buck O'Neil

2016 Panini Prizm Collegiate Draft Picks - [Base] #127

Draft Picks - Carson Wentz

1991 Topps Stadium Club - [Base] #94

Brett Favre

2014 Topps Prime - Rookie Variations Autographs - Copper #113

Josh Huff /99

1989 Score - [Base] #270

Troy Aikman [BGS 9.5]

1996 Upper Deck Collector's Choice Update - Record Breaking Trio #4

Joe Montana, Dan Marino, Jerry Rice

2013-14 Panini Prime - [Base] #129

Prime Rookies Quad - J.T. Miller /199

2013-14 Totally Certified - Rookie Autograph Jerseys #154

Sami Vatanen

2015-16 Upper Deck - [Base] #228

Young Guns - Dylan Larkin [BGS 9.5]

2015-16 Upper Deck - [Base] #451

Young Guns - Jack Eichel

2016-17 Upper Deck - [Base] #225

Young Guns - Jesse Puljujarvi

1996 Topps Stars - Reprints - Autographs [Autographed] #18

George Gervin

1996 Upper Deck USA Basketball Deluxe Gold Edition - American Made Michael Jordan #M1

Michael Jordan

2014-15 Panini Threads - Talented Twosomes #4

Klay Thompson, Stephen Curry

2014-15 Panini Gold Standard - Good as Gold #18

Larry Johnson /199

2009-10 Court Kings - [Base] #137

Tyler Hansbrough /649

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.