• 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

2016 Bowman's Best - Top Prospects #TP-28

Aaron Judge

2017 Topps Heritage - [Base] - Chrome Variations Refractor #THC-500

Kris Bryant /568

2017 Panini Diamond Kings - [Base] #138

Rookies - Aaron Judge

2015 Panini Immaculate Collection - [Base] - Blue #145

Rookie Autos Blue - Miguel Castro /49

2016 Bowman Inception - Prospect Autographs #PA-TM

Trey Mancini

2016 Upper Deck USA Football - Future Swatch Jersey USA U19 #FS-CE

Christopher Evans

2010 Topps Chrome - Gridiron Lineage - Refractor #CGL-NS

Joe Namath, Mark Sanchez /99

2004 Upper Deck NFL Legends - [Base] #136

Larry Fitzgerald /650

1975 Topps - [Base] #416

Joe Theismann [Good to VG‑EX]

2016-17 Upper Deck - UD Canvas #C213

Young Guns - Dylan Strome

1973-74 O-Pee-Chee - Rings #11

Boston Bruins Team

2014-15 Upper Deck - [Base] #225

Aaron Ekblad

2016-17 Upper Deck - [Base] - Silver Foil #204

Young Guns - Connor Brown

2007-08 Upper Deck MVP - [Base] #352

Carey Price

1991-92 NBA Hoops - All-Star MVPs #IX

Michael Jordan

1997-98 SPx - [Base] #6

Michael Jordan

2013-14 Panini Titanium - Enshrinement Ink #21

Bob McAdoo /199

2013-14 Panini Immaculate Collection - INK #10

Earl Monroe /60

1996-97 Upper Deck - Smooth Grooves #SG1

Dennis Rodman

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.