• 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

1988 The Sporting News Conlon Collection 1933 Negro All Stars - [Base] #MADI

Martin Dihigo

2016 Topps Chrome - Rookie Autographs #RA-TN

Tyler Naquin

1993 Topps - [Base] #98

Derek Jeter

1970 Topps - [Base] #688

Ted Kubiak

1998 Metal Universe - Platinum Portraits #10PP

Alex Rodriguez

2014 Bowman Sterling - Jumbo Rookie Patch - Blue Wave Refractor #BSJRP-SW

Sammy Watkins

2012 Panini Prizm - [Base] #230

Russell Wilson

1991 Topps Stadium Club - [Base] #94

Brett Favre

2013 Bowman - Rookie Chrome Refractor Autograph #RCRA-ERE

Eric Reid

2016-17 Upper Deck - [Base] #468

Young Guns - Mitch Marner

1998-99 Upper Deck - Year of the Great One Wayne Gretzky - Die-Cut Quantum #GO1

Wayne Gretzky /1999

2013-14 Panini National Treasures - Dual Memorabilia Autograph #DM-JBO

Jay Bouwmeester

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

Achievement - Connor McDavid

2016-17 Upper Deck SP Game Used - [Base] - Gold Material [Memorabilia] #185

Authentic Rookies - Patrik Laine /399

2003-04 Topps Chrome - [Base] #113

Carmelo Anthony

2007-08 SP Rookie Threads - SP Threads #SP-KG

Kevin Garnett

1995-96 Fleer Ultra - Jam City #3

Michael Jordan

2016-17 Panini Prizm - [Base] - Green Prizm #17

Malcolm Brogdon

1995-96 Skybox Premium - Larger than Life #L1

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.