• 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

1969 Topps - [Base] #630

Bobby Bonds

1999 Topps Gallery - Heritage #TH13

Cal Ripken Jr.

1996 Donruss - Long Ball Leaders #3

Mark McGwire /5000

1967 Topps - [Base] #45

Roger Maris [Good to VG‑EX]

2008 Topps Allen & Ginter's - [Base] - Mini Allen & Ginter Back #41

Paul Konerko

2016 Donruss Optic - [Base] #168

Rated Rookies - Ezekiel Elliott

2012 Topps Five Star - Futures Autographed Four-Piece Memorabilia Book #FSFA4-NT

Nick Toon /40

2015 Panini National Treasures - [Base] - Jersey Number Red #170

Rookie Signatures - Frank Clark /55

1969 Topps - [Base] #51

Gale Sayers [Good to VG‑EX]

2016 Panini Contenders Draft Picks - [Base] #248

College Ticket - Karl Joseph

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

Rookies - Ivan Provorov /35

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

Martin Brodeur

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

Rookies - Christian Dvorak /35

2015-16 Upper Deck Ultimate Collection - Signature Material Achievements #SMA-JT

Jonathan Toews /40

1998-99 Upper Deck - Year of the Great One Wayne Gretzky - Die-Cut Quantum #GO1

Wayne Gretzky /1999

1983-84 Star - [Base] #164

Jerry Sichting

1983-84 Star - [Base] #39

Nate Archibald

2014-15 Panini Preferred - Roundball Die-Cut Autographs #61

Giannis Antetokounmpo /99

2013-14 NBA Hoops - [Base] - Gold #124

Stephen Curry

2016-17 Panini Prizm - Veteran Signatures #14

Draymond Green

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.