• 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

2016 Bowman Chrome - Prospects Autographs - Refractor #CPA-WH

Wei-Chieh Huang /499

2013 Leaf Trinity - Pure Autographs - Silver #P-SM1

Sean Manaea /60

2013 Panini USA Baseball Champions - Stars & Stripes Signatures #CAS

Nick Castellanos /573

2015 Bowman - Chrome Prospects Autographs #BCAP-ARO

Adrian Rondon

2015 Bowman Draft - Chrome Draft Pick Autographs #BCA-TC

Trent Clark

2013 Panini Contenders - [Base] #211

Geno Smith

2011 Absolute Memorabilia - NFL Rookie Jersey Collection #22

Kyle Rudolph

2014 Panini Crown Royale - Heirs to the Throne Trios #HTT-QB1

Blake Bortles, Johnny Manziel, Teddy Bridgewater /399

1996 Topps Chrome - [Base] #156

Marvin Harrison

1990 Fleer Update - [Base] #U-40

Emmitt Smith

2015-16 Upper Deck - Parkhurst Rookies #PR-4

Dylan Larkin

2003-04 O-Pee-Chee - [Base] #340

Marc-Andre Fleury

2015-16 Upper Deck - [Base] #451

Young Guns - Jack Eichel

1975-76 Topps - [Base] #209

Bobby Clarke, Bobby Orr, Pete Mahovlich

2015-16 Upper Deck Trilogy - [Base] - Blue Rainbow Foil #67

Career Stats - Sidney Crosby /302

1992-93 Topps Stadium Club - Beam Team #1

Michael Jordan

2012-13 Panini Threads - Authentic Threads #3

Lebron James

2013-14 Panini Innovation - Memorable Memorabilia #20

Kobe Bryant /299

1996 Upper Deck USA Basketball Deluxe Gold Edition - American Made Michael Jordan #M1

Michael Jordan

2006-07 Topps Finest - [Base] - Rookie Refractor Autograph [Autographed] #98

J.J. Redick

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.