• 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

$3.00 Flat Rate Shipping

Buy now, ship later! Purchase over time from many sellers & ship once for $3.00!

10 Million Cards Under One Roof

We house millions of sports cards from thousands of sellers and provide industry renowned customer service!

No Stock Images

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 Bowman Chrome Rookie Certified Autographs [Autographed] #217

Dellin Betances

2012 Panini USA Baseball National Team #2

Kris Bryant

1982 Topps Traded #109T

Ozzie Smith

2011 Topps Update Series #US175

Mike Trout [BGS 9.5]

1976 Topps #373

Johnny Briggs

2014 Topps Chrome Refractor #117

Odell Beckham Jr.

2009 Donruss Rookies & Stars #135

Clay Matthews /999

1984 Topps #123

Dan Marino

2012 Bowman Sterling Jumbo Rookie Relic #BSJRR-RG

Robert Griffin III

2013 Topps Finest Autographed Jumbo Relic #AJR-LJ

Landry Jones

2005-06 Upper Deck Victory #285

Sidney Crosby

2013-14 Panini Rookie Anthology Score Update Hot Rookies Signatures [Autographed] #738

Anders Lee

1994-95 SP Die-Cut #181

Jarome Iginla

2001-02 Upper Deck Honor Roll #71

Pavel Datsyuk /1499

1974-75 Topps #100

Bobby Orr

1986-87 Fleer #82

Hakeem Olajuwon

2010-11 Prestige #187

Jeremy Lin

2010-11 Classics #179

Jeremy Lin /699

1973-74 Topps #100

Jerry West

2003-04 Upper Deck MVP #201

Lebron James [BGS 9.5]

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.