Shop from 16,810,825 total and 5,199,983 unique sports cards. Baseball, Football, Hockey, and Basketball.

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Port: 2016-2017

Find baseball cards and other sports cards on sale in Promotions & Port Sales

Ideal for Set Builders & Player Collectors

Build one order over time from multiple sellers, pay shipping once, and receive your cards in one package.

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Flat Rate Shipping

Buy now, ship later! Purchase over time from many sellers & ship once!

16 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.

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

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!

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The Safe and Easy Way to Buy and Sell Cards Online

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Shop Recently Added

1976 Kellogg's 3-D Super Stars - [Base] #19

Bryce Harper [BGS 9.5 GEM MINT]

$39.99

1969 Topps - [Base] #100

Hank Aaron [Good to VG‑EX]

$20.25

2015 Panini Donruss - The Rookies #21

Randy Moss [PSA 10 GEM MT]

$35.00

2014 Panini Prizm - [Base] - Red Power Prizms #187

Craig Morton

$12.00

2016-17 Upper Deck MVP - [Base] - Green #300

Connor McDavid

$8.24

2016-17 Upper Deck - UD Canvas #C218

Young Guns - Matthew Tkachuk

$9.25

2016-17 Upper Deck SP Game Used - [Base] - Blue Auto [Autographed] #180

Authentic Rookies - Connor Brown

$7.24

1985-86 Topps - [Base] #9

Mario Lemieux

$151.00

2016-17 O-Pee-Chee Platinum - [Base] - Rainbow Color Wheel #176

Golden State Warriors Team

$2.25

1997-98 NBA Hoops - Frequent Flyer - Upgrade #12

Kevin Garnett

$45.00

1994-95 Topps Finest - [Base] - Refractor #270

Larry Johnson

$12.04

2016-17 Upper Deck Euroleague - [Base] - Rainbow #99

Kevin Pangos

$0.65

2014-15 Panini Select - [Base] - Purple and White Prizm #297

Jump to Popular Players!

Connor McDavid	Derek Jeter	Kobe Bryant	Aaron Judge	Mickey Mantle	William Nylander
Auston Matthews	Bryce Harper	Mike Trout	Jack Eichel	Wayne Gretzky	Shaquille O'Neal
Michael Jordan HOF	Mitch Marner	Kris Bryant	Cal Ripken Jr.	Peyton Manning	Dylan Larkin
Patrik Laine	Ken Griffey Jr.	LeBron James	Tom Brady	Nolan Ryan	Brett Favre

More Players

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.