• 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

1968 Topps - [Base] #250

Carl Yastrzemski

1984 Donruss - [Base] #248

Don Mattingly

2017 Topps Archives - Fan Favorite Autographs #FFA-DS

1990 - Dave Stieb

2012 Playoff Prime Cuts - Legendary Bats #21

Paul Waner /99

1993 Bowman - [Base] #511

Derek Jeter

2005 Playoff Contenders - [Base] #157

Rookie Ticket - Matt Roth

1989 Score - [Base] #270

Troy Aikman

2007 Playoff Contenders - Rookie of the Year Contenders #ROY-2

Adrian Peterson /1000

1998 Skybox Premium - Prime Time Rookies #6 PT

Peyton Manning

1991 Upper Deck - [Base] #13

Brett Favre [BGS 9.5]

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

Connor McDavid

2016-17 Upper Deck SP Game Used - Rookie Relics Blends #RRB-MM

Mitch Marner /199

1999-00 SPx - [Base] #172

Oleg Saprykin /1999

2016-17 SPx - Extreme Black Holo Shield #EB-MM

Rookies - Mitch Marner

2015-16 Upper Deck - UD Canvas #C108

Young Guns - Artemi Panarin [BGS 9.5]

2016-17 Panini Prizm - [Base] - Silver Prizm #14

Thon Maker

1988-89 Fleer - [Base] #120

Michael Jordan

1972-73 Topps - [Base] #32

Phil Jackson [Good to VG‑EX]

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

College Ticket - Joel Bolomboy

2014-15 Panini Select - [Base] - Copper Prizm #231

Courtside - Shaquille O'Neal /49

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.