• 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

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

2015 Topps Finest - Autographs - Blue Refractor #FA-BB

Bryce Brentz /150

2016 Topps Now - Topps Online Exclusive [Base] #353

Aaron Judge /2537

2010 Bowman Platinum - Prospects Chrome #PP5

Mike Trout

1959 Topps - [Base] #552

Casey Stengel [Good to VG‑EX]

1963 Topps - [Base] #566

Cliff Cook [Good to VG‑EX]

1998 Upper Deck Black Diamond - [Base] - Triple Diamond #112

Emmitt Smith

2011 SP Authentic - Sign of the Times #ST-RH

Ross Homan

2005 Score - [Base] #352

Aaron Rodgers

2008 Topps - Turn Back the Clock #29

Vince Lombardi

1986 Topps - [Base] #45

Dan Marino [PSA 8]

2016-17 Upper Deck - O-Pee-Chee Update - Rainbow Foil #684

Marquee Rookies - Jimmy Vesey

2016-17 Upper Deck SP Game Used - Draft Day Marks #DDM-PB

Rookies - Pavel Buchnevich /35

2016-17 Upper Deck SP Game Used - [Base] - Purple #113

Authentic Rookies - Dylan Strome

2016-17 Upper Deck - UD Canvas #C222

Young Guns - Thomas Chabot

2015-16 Upper Deck - [Base] #201

Young Guns - Connor McDavid

2013-14 Panini Pinnacle - Autographs #76

Giannis Antetokounmpo

2014-15 Panini Totally Certified - Jerseys - Red #51

Klay Thompson /149

1986-87 Fleer - [Base] #31

Julius Erving

2016-17 Panini Donruss - Court Kings #2

Stephen Curry

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.