Sales increased 50% since December and shipping has not been able to keep up. 50 people joined our shipping department this month. To ensure our systems are streamlined and our team is properly trained, we added a 2 week buffer to all shipping quotes.
Shop from 24,312,030 total and 7,543,674 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!

24 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

2020 Topps Heritage High Number - [Base] #512.1

Luis Robert

2014 Topps Archives - Fan Favorites Autographs #FFA-CS

Chris Sabo

2020 Panini Prizm - [Base] #307.1

Rookies - Joe Burrow

2016 Panini Spectra - [Base] - Neon Blue #16

Ben Roethlisberger /60

2018 Panini Prizm - [Base] #202

Rookies - Saquon Barkley

2011 Playoff Contenders - [Base] #222.1

A.J. Green (Base)

2018 Panini Prizm - [Base] - Lazer Prizm #212

Rookies - Lamar Jackson [PSA 9 MINT]

2018-19 Upper Deck SP Game Used - Rookie Sweaters #RS-EP

Elias Pettersson /199

2004-05 Upper Deck - [Base] #189

Young Guns - Mario Lemieux

2018-19 SP - [Base] - Retail #117

Rookie Authentics - Carter Hart /1199

2018-19 Upper Deck - [Base] #451

Young Guns - Andrei Svechnikov

2019-20 Panini Select - [Base] - Silver Prizm #45

Concourse - Keldon Johnson

2017-18 Panini NBA Hoops - [Base] - Silver #295

Kobe Bryant Career Tribute - Kobe Bryant /199

2019-20 Panini Prizm - [Base] #253.1

Coby White (Sticking Ball Out)

2012-13 Panini Gold Standard - Metal - Metal Gold #3

Kyrie Irving

2007-08 Topps - [Base] - 1957-58 Variations #112

Kevin Durant

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.