• 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

1958 Topps - [Base] #484

Frank Robinson [Good to VG‑EX]

2017 Topps Tribute - Stamp of Approval Relics #SOA-I

Ichiro /199

2012 Topps - Golden Moments Game-Used Memorabilia #GMR-CJ.1

Chipper Jones (Facing Left)

1998 Topps Finest - [Base] - Refractor #145R

Mark McGwire

1975 Topps - [Base] #282

Lynn Swann [Poor to Fair]

2010 Topps Chrome - Gridiron Lineage - Refractor #CGL-NS

Joe Namath, Mark Sanchez /99

2011 Topps Supreme - [Base] #71

Julio Jones /429

2016 Donruss Optic - [Base] #168

Rated Rookies - Ezekiel Elliott

2016 Score - [Base] - Rookie Signatures [Autographed] #407

Jaylon Smith

2016-17 Upper Deck - UD Game Jersey #GJ-CP

Carey Price

2015-16 Upper Deck - [Base] #451

Young Guns - Jack Eichel

2016-17 Upper Deck - [Base] #249

Young Guns - William Nylander

2016-17 SPx - Impressions Autographs #IA-LD

Leon Draisaitl /199

2016-17 Upper Deck - O-Pee-Chee Update - Rainbow Foil #694

Marquee Rookies - Auston Matthews

2006-07 Topps Chrome - [Base] - Refractor #67

Lebron James

1991-92 Fleer - [Base] #220

Michael Jordan [PSA 8]

2013-14 Panini Prizm - [Base] #290

Giannis Antetokounmpo [PSA 10]

1997-98 Skybox Premium - Autographics - [Autographed] #RABR

Randy Brown

2016-17 Panini Prizm - Go Hard or Go Home - Blue Wave Prizm #4

LeBron James /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.