• 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

2013 Bowman Sterling - Prospect Certified Autographs #BSAP-TAU

Tyler Austin

2013 Topps Allen & Ginter's - People on Bicycles Minis #POB-BR

Brief Respite

1958 Topps - [Base] #476

Stan Musial [Good to VG‑EX]

2014 Topps Chrome - [Base] - Blue Refractor #10

Masahiro Tanaka /199

2000 Skybox Dominion - [Base] #234

Giovanni Carmazzi, Tom Brady

1969 Topps - [Base] #237

Donny Anderson

2014 Topps Finest - Rookie Autograph Patch #RAP-JG

Jimmy Garoppolo

2005 Topps Chrome - [Base] #194

Alex Smith

2004 Fleer Hot Prospects - Notable Nicknames #3NN

Ben Roethlisberger

2016-17 Upper Deck SP Game Used - [Base] - Purple #110

Authentic Rookies - William Nylander

2015-16 Upper Deck Full Force - Valuable Assets #V-CM

Foil Rookies - Connor McDavid

2016-17 Upper Deck - A Piece of History 300 Win Club #300-GH

Glenn Hall

2013-14 Totally Certified - Totally Certified Materials - Red #TC-RJO

Roman Josi

2015-16 O-Pee-Chee Platinum - Retro - Rainbow #R97

Connor McDavid

2016-17 Panini Contenders Draft Picks - [Base] #173

College Ticket - Joel Bolomboy

2015-16 Panini Totally Certified - Fabric of the Game Rookie Jersey - Red #FRJ-DB

Devin Booker /199

2009-10 Bowman '48 - [Base] - Blue #104

James Harden /1948

1988-89 Fleer - [Base] #43

Dennis Rodman

2011-12 Fleer Retro - 1999-00 Autographics Design Autographs #99AU-RM

Rick Majerus

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.