• 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!

12 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

2012 Topps Museum Collection Archival Autographs [Autographed] #AA-JT

Julio Teheran /399

2013 Bowman Sterling Prospect Certified Autographs Green Refractors #BSAP-RH

Ryon Healy /125

2016 Bowman Chrome Prospect Autographs #CPA-JY

Juan Yepez

2015 Bowman Chrome Rookie Autographs #BCAR-JHK

Jung Ho Kang

2014 Topps Five Star Autographs #FSA-ARO

Allen Robinson

2014 Panini Contenders #203.1

Allen Robinson (running)

1990 Pro Set Special Inserts #FRWA

Fred Washington

1968 Topps #142

George Blanda

2013-14 Upper Deck #477

Brendan Gallagher

2010-11 In the Game Decades 1980s Autographs #A-JH

John Harrington

1997-98 SP Authentic Sign of the Times #DM

Darren McCarty

2015-16 Upper Deck Parkhurst Rookies #PR-1

Connor McDavid

1971-72 O-Pee-Chee #258

Pat Stapleton [Good to VG‑EX]

2013-14 SP Authentic By the Letter Autographs #BL-GL

Glenn Robinson /75

1996-97 Fleer Ultra Starring Role #8

Shaquille O'Neal

2013-14 Panini National Treasures NBA Game Gear Duals #74

Paul George /99

2003-04 Bazooka Gold #276

Lebron James

2003-04 Upper Deck Rookie Exclusives Jersey #J5

Dwyane Wade

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.