Shop from 18,856,321 total and 5,706,384 unique sports cards. Baseball, Football, Hockey, and Basketball.

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Sale - 55% OFF SRP

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!

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.

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

2015 Panini Contenders - Prospect Ticket #32

Rafael Devers

$35.04

2018 Topps Chrome Update - Target Exclusive [Base] - Refractor Autograph [Autographed] #HMT14

Nick Kingham

$3.22

2017 Topps Finest - Autographs #FA-ARE

Alex Reyes

$8.82

1999 Hillshire Farms Home Run Heroes Autographs - [Base] - [Autographed] #HAKI

Harmon Killebrew

$21.13

2017 Topps Now - Topps Online Exclusive Off-Season #OS-80

Johnny Unitas [Good to VG‑EX]

$21.24

2010 Topps Chrome - [Base] - Retail X-Fractor #C80

Tom Brady

$29.29

2016 Upper Deck USA Football - [Base] - Flag Wave #7

Ron Dayne /1250

$23.54

2016 Panini Contenders - Rookie Roundup Autographs #48

Young Guns - Patrik Laine

$76.67

2010-11 Panini Crown Royale - [Base] #159

Ryan Reaves /499

$11.74

2006-07 Upper Deck The Cup - [Base] #108

Nathan McIver /249

$15.23

2017-18 Upper Deck - UD Canvas #C91

Young Guns - Nolan Patrick

$26.69

2018-19 Upper Deck Parkhurst - Prominent Prospects - Gold Autographs [Autographed] #PP-3

Wilt Chamberlain [Poor to Fair]

$20.93

2016-17 Panini Studio - [Base] #274

Sketch - Allen Iverson

$29.00

1999 SP Top Prospects - Vital Signs - [Autographed] #TE

Jump to Popular Players!

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

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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.