• 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

1987 Fleer Update - [Base] #U-68

Greg Maddux [PSA 9]

1998 Topps - [Base] - Minted in Cooperstown #321

Ken Griffey Jr.

2008 Donruss Elite Extra Edition - [Base] - Turn of the Century Autographs [Autographed] #17

Charlie Blackmon /122

2005 Donruss Greats - [Base] - Gold Holofoil #36

Jack Morris /100

2014 Bowman Draft Picks & Prospects - Top Prospects - Blue #TP-3

Carlos Correa /399

2001 Topps - [Base] #328

Drew Brees

1997 Genuine Article Dream Picks - Autographs #B1

Ronde Barber /7500

2014 Bowman Sterling - Autographs #BSA-AD

Rookie Autograph - Aaron Donald

1997 Upper Deck NFL Legends - Autographs #AL-84

Gino Cappelletti

2015 Panini Contenders - [Base] #253

Rookie Ticket - Trevor Siemian

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

Achievement - Connor McDavid

2015-16 O-Pee-Chee Platinum - [Base] #174

Rookie Autographs - Ryan Hartman

1984-85 O-Pee-Chee - [Base] #185

Doug Gilmour

2013-14 Panini Prime - Prime Time Rookies #RK-RS

Ryan Strome /50

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

Marquee Rookies - Jimmy Vesey

2015-16 Panini Black Gold - Rookie Jersey Autographs #13

Myles Turner /199

1994-95 Topps Finest - Iron Man #1

Shaquille O'Neal

2014-15 Panini Totally Certified - Rookie Roll Call Autographs #RRC-JN

Jusuf Nurkic /299

2012-13 Panini Prizm - [Base] #222

Isaiah Thomas

2016-17 Panini Prizm - [Base] #1

Ben Simmons

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.