• 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!

14 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

1961 Topps - [Base] #460

Gil Hodges

1960 Topps - [Base] #522

Ken Hunt

2010 Topps Heritage - [Base] #474

Alex Rodriguez

2014 Panini Immaculate Collection - Rookie Inscriptions - Gold #139

Distributed in 2015 Immaculate - Jonathan Schoop /99

2015 Topps Heritage - A Legend Begins #NR-2

Nolan Ryan

2000 Topps - [Base] - Topps Collection #383

Brian Urlacher

1989 Score Supplemental - [Base] #384S

Bo Jackson [PSA 9]

2010 Playoff Contenders - [Base] #142

James Starks

1996 Select Certified Edition - Gold Team #5

Troy Aikman

2001 Fleer Tradition - [Base] #325

Pat Tillman

2016-17 Upper Deck SP Game Used - [Base] - Gold Material [Memorabilia] #130

Authentic Rookies - Mitch Marner /399

2016-17 Upper Deck - [Base] #451

Young Guns - Patrik Laine

2015-16 Upper Deck - Code to Greatness #CTG-0

Achievement - Connor McDavid

2015-16 Upper Deck - UD Canvas #C112

Young Guns - Dylan Larkin

2014-15 Upper Deck Ultimate Collection - [Base] #59

Memorabilia - John Tavares /99

2016-17 Panini Prizm - [Base] - Silver Prizm #255

Domantas Sabonis

1991-92 Panini Album Stickers - [Base] #116

Michael Jordan

2015-16 Panini NBA Hoops - Dreams #8

Kristaps Porzingis

2015-16 Panini Select - [Base] - Blue Prizms #7

Concourse - Kobe Bryant /249

2003-04 Upper Deck - Air Academy #AA3

Lebron James

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.