Due to COVID-19, all shipping is experiencing significant delays. One of the benefits of COMC is you can ship all your items at once at a later date. After you've placed your shipping request we are unable to combine shipments requested on different days.
Shop from 22,415,399 total and 7,135,469 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!

22 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

eBay 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. COMC listings are automatically posted to eBay!

Sell Cards

The Safe and Easy Way to Buy and Sell Cards Online

Shop Recently Added

1957 Topps - [Base] #175

Don Larsen

2019 Bowman - Chrome Prospects #BCP-100

Wander Franco [PSA 10 GEM MT]

2018 Topps Five Star - [Base] #FSA-MF

Max Fried

1994 Topps Stadium Club - [Base] - 1st Day Issue #397

Ryne Sandberg

1992 Front Row Draft Picks - [Base] #55

Derek Jeter [PSA 9 MINT]

1973 Topps - [Base] #487

Ken Stabler [Good to VG‑EX]

2018 Donruss Optic - Explosive #7

Saquon Barkley

2004 Score - [Base] - Scorecard #381

Rookies - Ben Roethlisberger /625

2000 Pacific - [Base] #403

Tom Brady

2001 Press Pass SE - Autographs #DORA

Dominic Raiola

2017-18 Upper Deck - [Base] #201

Young Guns - Nico Hischier

2018-19 Upper Deck SP Game Used - Draft Day Marks #DDM-TD

Rookies - Travis Dermott /35

2018-19 Upper Deck - [Base] - Canvas #C223

Young Guns - Jesperi Kotkaniemi

2018-19 Upper Deck Game Dated Moments - Rookie of the Month Achievements #R-6

Rookie of the Month - March - Jordan Binnington

2009-10 Upper Deck - [Base] #210

Young Guns - Erik Karlsson

2019-20 Panini Contenders - Rookie Ticket Swatches #RTS-ZWL

Zion Williamson

1997-98 Topps Chrome - [Base] #115

Tim Duncan [BGS 9.5 GEM MINT]

2019-20 Panini Mosaic - [Base] - Green Prizm #207

Rookies - Brandon Clarke

2019-20 Panini Revolution - [Base] - Chinese New Year #106

Rookies - Coby White

2017-18 Panini Prizm - [Base] - Hyper Prizms #38

OG Anunoby

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.