• 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

2017 Topps Chrome - [Base] - Refractor #79

Cody Bellinger

2000 SPx - [Base] #139

Xavier Nady /1500

1955 Bowman - [Base] #247

Dutch Leonard [Good to VG‑EX]

2009 Bowman Draft Picks & Prospects - Prospects Chrome - Blue Refractor #BDPP95

Drew Storen /150

1997 Donruss - [Base] - Silver Press Proof #1

Dan Marino /1500

2000 Press Pass - Autographs #SHAL

Shaun Alexander

2008 Upper Deck Icons - Immortal Lettermen - Team Names #DM20

Dan Marino (Spells "DOLPHINS") /77

2016 Panini Spectra - Rivals #9

Ezekiel Elliott, Derrick Henry /199

1998 Ultra - Damage Inc. #12 DI

Peyton Manning

2000-01 Topps Heritage - [Base] #97

Justin Williams /1955

2016-17 O-Pee-Chee Platinum - Rookie Autographs - Rainbow #R-BA

Mathew Barzal

2016-17 Upper Deck - [Base] #249

Young Guns - William Nylander

2014-15 Upper Deck - [Base] #460

Joel Armia

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

Connor McDavid

1970-71 Topps - [Base] #107

Jerry West

1986-87 Fleer - Stickers #7

Magic Johnson

2016-17 Panini Donruss Optic - Rookie Kings #2

Ben Simmons

1996-97 Topps Finest - [Base] - Refractor #284

Shareef Abdur-Rahim

1992-93 Topps - [Base] #362

Shaquille O'Neal [PSA 10]

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.