• 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!

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

2011 Topps Allen & Ginter's - [Base] - Ginter Code Puzzle Border #57

Derek Jeter

1960 Topps - [Base] #570

Don Drysdale

2011 Bowman Sterling - MLB Future Stars - Refractors #14

Gary Sanchez /199

2013 Panini Cooperstown Collection - [Base] #65

Vin Scully

2016 Bowman's Best - Best of 2016 Autographs #B16-OA

Ozzie Albies

1998 Ultra - Flair Showcase Preview #4

Brett Favre

1962 Topps - [Base] #13

Billy Wade

2014 Topps Finest - [Base] #122

Derek Carr [PSA 10]

2005 SAGE - Autographs - Red #A13

Thomas Davis /999

2016 Panini Immaculate Collection - Immaculate Signature Patches Rookie #JW

Jonathan Williams /99

2016-17 Upper Deck - [Base] - Silver Foil #496

Young Guns - Zane Mcintyre

2016-17 Upper Deck - UD Canvas #C235

Young Guns - Jake Guentzel

2016-17 O-Pee-Chee Platinum - Rookie Autographs - Rainbow #R-ST

Dylan Strome

2016-17 Upper Deck SP Game Used - [Base] - Purple #101

Authentic Rookies - Auston Matthews

2015-16 Upper Deck - O-Pee-Chee Update Signatures #US-DD

Devan Dubnyk

2014-15 Panini National Treasures - [Base] #20

Anthony Davis /99

1986-87 Fleer - Stickers #8

Michael Jordan [BGS 7]

1998-99 Skybox Premium - Soul of the Game #8 SG

Shaquille O'Neal

1996-97 Fleer - Game Breakers #10

Anfernee Hardaway, Shaquille O'Neal

2014-15 Panini National Treasures - [Base] #128

Rookie Patch Autographs - Joe Harris /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.