• 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 Draft Picks & Prospects - Top Prospects Chrome - Refractor #TP-42

Corey Seager

2014 Panini Elite Extra Edition - Prospects - Autographs [Autographed] #99

Isan Diaz /570

2010 Bowman Chrome - Prospects #BCP207

Gary Sanchez

2014 Bowman Draft Picks & Prospects - Chrome - Black Refractors #CDP92

Mark Zagunis /75

1974 Topps - [Base] #20

Nolan Ryan

2014 Panini Contenders - Round Numbers - Holo Gold #1

Blake Bortles, Johnny Manziel /99

1973 Topps - [Base] #15

Terry Bradshaw

1962 Topps - [Base] #100

Roy Winston [Good to VG‑EX]

2015 Panini National Treasures - Rookie Material Signatures RPS #RMSR-DG

Dorial Green-Beckham /99

1975 Topps - [Base] #328

Ernie Holmes [Good to VG‑EX]

2015-16 Upper Deck MVP - [Base] - Green #147

Short Print - Jonathan Bernier

2014-15 O-Pee-Chee Platinum - Stanley Cup Champs Die-Cuts #SS-5

Steve Yzerman

2016-17 SPx - [Base] - Red Material [Memorabilia] #34

Stars and Legends - Sidney Crosby

2016-17 Upper Deck SP Game Used - Draft Day Marks #DDM-PB

Rookies - Pavel Buchnevich /35

2016-17 Upper Deck - UD Canvas #C120

Young Guns - Mitch Marner, Patrik Laine

2016-17 Panini Prizm - [Base] - Silver Prizm #236

Dejounte Murray

2012-13 Totally Certified - Memorabilia - Totally Red #93

Klay Thompson

1993-94 Upper Deck Special Edition - Die-Cut All-Stars #E10

Derrick Coleman

2009-10 Playoff Contenders - [Base] #114

Rookie Ticket - James Johnson

2010-11 Elite Black Box - Passing the Torch - Memorabilia #15

Dennis Rodman, Kevin Love /99

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.