Shop from 17,649,109 total and 5,377,523 unique sports cards. Baseball, Football, Hockey, and Basketball.

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!

17 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

2017 Bowman Chrome - Prospect Autographs #CPA-CP

Chris Paddack

2014 Topps Chrome - Rookie Autographs #AS

Aaron Sanchez

1959 Topps - [Base] #68

Dick Schofield

2017 Topps Tribute - Stamp of Approval Relics - Green #SOA-SM

Starling Marte /99

1984 Topps - [Base] #123

Dan Marino

2001 Upper Deck Pros & Prospects - Future Fame #F3

Drew Brees

2011 Crown Royale - [Base] - Gold Signatures [Autographed] #198

Tyrod Taylor /499

2010 Certified - [Base] #259

Sean Lee /999

2017 Donruss Optic - [Base] - Autographs [Autographed] #140

Rookies - Jabrill Peppers

2017-18 Upper Deck - [Base] #464

Young Guns - Martin Necas

2005-06 Upper Deck - [Base] #242

Checklist (Corey Perry, Sidney Crosby)

1981-82 O-Pee-Chee - [Base] #44

Reggie Lemelin

2014-15 Upper Deck Ultimate Collection - [Base] #113

Autographed Rookies - Seth Griffith /299

2017-18 Upper Deck - [Base] - Exclusives #243

Young Guns - Carter Rowney /100

1990-91 Skybox - [Base] - Prototype #138

Magic Johnson

2013-14 Panini - Rising Tide Autographs #32

Matthew Dellavedova

2016-17 Panini Studio - [Base] #278

Sketch - Domantas Sabonis

1986-87 Fleer - Stickers #7

Magic Johnson

1998-99 Upper Deck Black Diamond - [Base] - Triple Diamond #8

Michael Jordan /1500

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. 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.