• 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!

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

2012 Topps - Retired Rings #RR-CR

Cal Ripken /736

2004 Leaf Limited - [Base] #220

Roberto Clemente /499

2011 Topps Heritage Minor League Edition - [Base] #16

Bryce Harper

1963 Topps - [Base] #561

Mike de la Hoz

2005 Upper Deck ESPN - Sportscenter Swatches #GU-MS

Mike Sweeney

2010 Topps - Rookie Reprints #216

Joe Montana

2007 Topps TX Exclusive - Super Bowl Ticket Stubs Autographs #SB-KJ

Kris Jenkins

1996 Skybox Impact Rookies - [Base] #34

Zach Thomas

2015 Panini Certified - [Base] #207

Freshman Fabric - Justin Hardy /799

2013 Panini Totally Certified - [Base] #178

Freshman Phenoms Signatures - Latavius Murray /499

2014-15 Upper Deck Ultimate Collection - [Base] #110

Autographed Rookies - Shayne Gostisbehere /299

2015-16 Upper Deck Ultimate Collection - 2005-06 Ultimate Rookies - Autos [Autographed] #05-FV

Tier 1 - Frank Vatrano /275

2012-13 Fleer Retro - [Base] - Autographs [Autographed] #96

Adam Oates

2015-16 Upper Deck - UD Canvas #C249

Wayne Gretzky

2015-16 Upper Deck Ultimate Collection - 2005-06 Ultimate Rookies - Spectrum Silver Auto Jersey [Autographed] [Memorabilia] #05-BS

Brady Skjei /99

2013-14 Panini Pinnacle - [Base] - Museum Collection #5

Giannis Antetokounmpo

1996-97 SPx - [Base] #8.1

Michael Jordan

2010-11 Playoff Contenders Patches - [Base] #107

Rookie Ticket Autograph - Greg Monroe

1995-96 Topps Finest - Mystery Finest - Borderless Refractor/Gold #M 13

Larry Johnson

1999-00 Skybox Premium - Autographics #TOGU

Tom Gugliotta

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.