• 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!

15 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

1963 Topps - [Base] #480

Bill Monbouquette

1962 Topps - [Base] #340

Don Drysdale

2014 Bowman Chrome - [Base] - Bubbles Refractor #99

Brett Gardner /99

2015 Topps Tribute - Diamond Cuts Relics #DC-CS

Chris Sale /199

1996 Pinnacle - Starburst #97

Derek Jeter

2014 Topps Fire - [Base] #119

Odell Beckham Jr.

2014 Flair Showcase - [Base] - Legacy Collection #14

Khalil Mack /150

2015 Panini Spectra - Immense Materials - Neon Blue #IM-OB

Odell Beckham Jr. /50

2014 Panini National Treasures - Colossal Pro Bowl Materials - Prime #CPB-EL

Eddie Lacy /50

2016 Panini Prizm Collegiate Draft Picks - [Base] - Prizms Autographs [Autographed] #207

Draft Picks - Joshua Perry

2016-17 Upper Deck - O-Pee-Chee Update - Rainbow Foil #675

Marquee Rookies - Jake Guentzel

2016-17 Upper Deck - Day with the Cup #DC20

Nick Bonino

2013-14 Panini Dominion - [Base] #108

Jonathan Marchessault /299

2014-15 Upper Deck Black Diamond - [Base] #229

Evgeny Kuznetsov

2008-09 Fleer Ultra - [Base] #259

Drew Doughty

2016-17 Panini Prizm - [Base] - Retail Starburst Prizm #14

Thon Maker

1986-87 Fleer - [Base] #68

Karl Malone

1998-99 Upper Deck Black Diamond - [Base] - Triple Diamond #2

Michael Jordan /1500

1988-89 Fleer - [Base] #43

Dennis Rodman

2013-14 Panini Titanium - Game Gear Duals Material #17

Dion Waiters, Kyrie Irving /155

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.