• 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!

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

1980 Topps - [Base] #482

Rickey Henderson [BVG 7.5]

1997 Topps Finest - [Base] #327

Craig Biggio

2011 Topps Heritage Minor League Edition - [Base] #211

Bryce Harper

2016 Topps Strata - Clearly Authentic Autographed Relics #CAAR-GB

Greg Bird

1999 Topps - [Base] #220-25

Mark McGwire

2015 Panini Contenders Draft Picks - [Base] #130.1

Bud Dupree (Base)

2016 Leaf Metal Draft - [Base] #BA-HH1

Hunter Henry

2008 Topps Stadium Club - [Base] #87

James Harrison

2012 Panini Rookies & Stars - Rookie Collection Jerseys #5

Russell Wilson

1990 Score - Rookie & Traded (Supplemental) #101T

Emmitt Smith

2013-14 Upper Deck Black Diamond - Double Diamond Jerseys #NET-CP

Carey Price

2015-16 Upper Deck Fleer Showcase - [Base] #162

Hot Prospects Auto Patch - Anthony Stolarz /499

2015-16 Upper Deck Ultimate Collection - [Base] #82

Autographed Ultimate Rookies - Tier 1 - Ben Hutton /299

2015-16 Upper Deck - Clear Cut Superstars #CCS-35

Corey Perry

2015-16 Upper Deck Ultimate Collection - [Base] #87

Autographed Ultimate Rookies - Tier 1 - Brady Skjei /299

2007-08 SPx - Super Scripts Autograph - [Autographed] #SS-LB

Leandro Barbosa

2012-13 Panini Gold Standard - [Base] #267

Jeremy Lamb

2014-15 Upper Deck Lettermen - Rookie Premier Lettermen Autographs #RL-TW

T.J. Warren /35

2002-03 Upper Deck Inspirations - [Base] #158

Carmelo Anthony /499

1988-89 Fleer - [Base] #17

Michael Jordan [BGS 9]

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.