• 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!

12 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

2014 Panini Donruss Elite Inspirations Die-Cut #56

Bryce Harper /66

2015 Bowman's Best Best of 2015 Autographs #B15-DS

Dansby Swanson

2014 Topps Update Series Gold #US-26

Mookie Betts /2014

2011 Playoff Contenders Draft Tickets Signatures [Autographed] #DT42

Tommy La Stella

2014 Panini Totally Certified Rookie Roll Call Jersey #RRC-OB

Odell Beckham Jr.

2009 SAGE Squared Autographs #SA-66

David Bruton, Alphonso Smith

2012 Fleer Retro 1993 Fleer Rookie Sensations Autographs [Autographed] #RS-5

Michael Floyd

2015-16 Upper Deck Fusion Rookie Achievements #R1

Connor McDavid

2014 Upper Deck Team Canada Juniors #99

Connor McDavid

2015-16 Upper Deck Tim Hortons Collector's Series Franchise Force #FF-7

Bobby Ryan

2015-16 Upper Deck UD Canvas #C243

Bobby Hull

2012-13 Panini Past & Present Elusive Ink #3

Luc Longley

2014-15 Panini Totally Certified Clear Cloth Jersey Red #39

Stephen Curry /299

2008-09 SP Authentic Vital Signs Autograph [Autographed] #VS-DF

Derek Fisher

1993-94 Upper Deck Locker Talk #LT1

Michael Jordan

1995-96 Topps Stadium Club Warp Speed #WS1

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.