Shop from 18,888,772 total and 5,711,345 unique sports cards. Baseball, Football, Hockey, and Basketball.

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!

18 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

2016 Topps Triple Threads - Autographed Rookies #ARC-JBE

Jose Berrios /99

2001 Upper Deck Reserve - [Base] #204

Albert Pujols /2500

1974 Topps - [Base] #456

Dave Winfield [Poor to Fair]

1970 Topps - [Base] #712

Nolan Ryan [Good to VG‑EX]

1955 Topps All American - [Base] #85

Sid Luckman [Poor to Fair]

2018 Panini Unparalleled - Rookie Jersey Autographs #RJA-AM

Anthony Miller

2014 Bowman Chrome - [Base] - Bubbles Refractor #30

Russell Wilson /99

2016 Panini Absolute - Rook Ink - Blue #22

Jaylon Smith

2017-18 Upper Deck - [Base] - Silver Foil #454

Young Guns - Adin Hill

2009-10 Upper Deck - [Base] #497

John Carlson

1990-91 O-Pee-Chee Premier - [Base] #50

Jaromir Jagr

2016-17 O-Pee-Chee Platinum - [Base] - Seismic Gold #40

Jaromir Jagr /50

2016-17 Upper Deck - [Base] #225

Young Guns - Jesse Puljujarvi

1995-96 Fleer Ultra - Jam City - Hot Packs #3

Michael Jordan

1996-97 SPx - [Base] #8.1

Michael Jordan

1970-71 Topps - [Base] #97

Norm Van Lier [Good to VG‑EX]

2017-18 Panini Status - Factions - Red #24

Tim Duncan, Manu Ginobili, Tony Parker /299

2017-18 Panini Prizm - [Base] - Red, White & Blue Prizms #247

Lauri Markkanen

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. 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.