• 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

1957 Topps - [Base] #318

Mickey McDermott

2017 Topps Finest - Finest Firsts #FFI-AJ

Aaron Judge

2015 Topps Tier One - Relics #TSR-KG

Ken Griffey Jr. /199

2011 Bowman Sterling - USA Baseball Collegiate Team Dual Autographs #USDA-BC

Alex Bregman, Gavin Cecchini /299

2011 Topps Chrome - Redemption USA Baseball Collegiate National Team - Autographs [Autographed] #USABB17

Tyler Naquin

2014 Topps Five Star - Autographs #FSA-RJ

Rashad Jennings

2009 Donruss Classics - Classic Triples - Silver #1

Danny White, Troy Aikman, Roger Staubach /250

2007 Topps Co-Signers - Dual Autographs #CSA-RS

Tony Romo, Isaiah Stanback

2010 SAGE Hit - Autographs - Silver #A90

Jason Pierre-Paul

2016 Upper Deck USA Football - Future Swatch Jersey USA U19 #FS-MH

Mecole Hardman Jr.

2016-17 Upper Deck MVP - [Base] - Colors & Contours #235

Level 2 Purple - Evgeni Malkin

2015-16 Upper Deck - Clear Cut Superstars #CCS-18

Henrik Lundqvist

2016-17 Upper Deck Compendium - [Base] - Blue #821

Rookies - Mitch Marner

2015-16 O-Pee-Chee Platinum - Marquee Rookies #M1

Connor McDavid

2014-15 Upper Deck - [Base] #464

Shayne Gostisbehere

2015-16 Panini Prizm - [Base] - Purple Prizm #337

Rookies - Norman Powell /99

2001-02 Upper Deck Ovation - MJ 1982 Championship Commemorative #MJF1

Michael Jordan

2007-08 Topps Letterman - Autographed Letterman Patches #LA-AL4

Acie Law /33

2015-16 Panini Select - [Base] - Silver Prizms #226

Courtside - D'Angelo Russell

2016-17 Panini Donruss Optic - [Base] - Purple #152

Brandon Ingram

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.