• 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!

14 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

1974 Kellogg's 3-D Super Stars - [Base] #6

Jim Palmer

1968 Topps - [Base] #520

Lou Brock [Good to VG‑EX]

1989 Fleer - [Base] #548

Ken Griffey Jr. [BGS 9.5]

2000 EX - E-Xceptional - Red #2 XC

Derek Jeter /1999

1999 Stadium Club Chrome - [Base] - Refractor #121

Champ Bailey

2013 Panini Playbook - Rookie Booklets - Silver Signatures [Autographed] #203

Christine Michael /244

2014 Topps Fire - [Base] - Foil Flame #119

Odell Beckham Jr.

1989 Topps Traded - [Base] #70T

Troy Aikman [PSA 9]

2014 Topps Five Star - Autographs #FSA-DMA

Doug Martin

1996-97 Leaf - Sweaters - Away #13

Pavel Bure /5000

2016-17 Upper Deck - [Base] #201

Young Guns - Auston Matthews

2013-14 Upper Deck - [Base] #451

Filip Forsberg

2015-16 Upper Deck MVP - NHL Draft Pick #1 Redemptions #DP-1

Connor McDavid

2015-16 Upper Deck Ultimate Collection - [Base] #20

Short Printed - Mark Messier /99

1986-87 Fleer - [Base] #82

Akeem Olajuwon

2013-14 Panini Prizm - [Base] #290

Giannis Antetokounmpo [PSA 10]

1981-82 Topps - [Base] #4

Larry Bird

2014-15 Panini Excalibur - Dunk Company Jerseys #2

Kevin Garnett

2014-15 Panini Select - [Base] - Blue Prizm #75

Concourse - Giannis Antetokounmpo /249

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.