• The Safe & Easy Way to Buy & Sell Collectibles

    Buy from different sellers and get your cards in ONE shipment.

Sale - 30% OFF SRP
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Cyndeeg3
Sale - 35% OFF SRP
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Omahacards
Port: 1979-2016
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Ends: 3d 20h 9m
$800.00 12fancards
Sale - 55% OFF SRP
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RotoskySportsCards
Port: 1952-2015 Baseball
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Ends: 3d 9h 57m
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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!

12 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!

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The Safe and Easy Way to Buy and Sell Cards Online

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2013 Bowman Inception Prospect Autographs #PA-TW

Taijuan Walker

$9.24
2016 Bowman Chrome Prospect Autographs #CPA-JO

Jhailyn Ortiz

$35.00
2014 Topps Heritage High Number #H558

Mookie Betts

$12.25
2012 Topps #661.1

Bryce Harper (Grey Jersey)

$18.25
1988 Cal League California League #34

Ken Griffey Jr.

$31.05
2011 Topps Chrome Retail Orange Refractor #25

Colin Kaepernick

$4.40
2013 Panini Spectra Rookie Signatures #196

Tyrann Mathieu /299

$10.25
1998 Collector's Edge 1st Place #135

Peyton Manning

$5.50
1991 Pro Line Portraits Autographs #ERGI

Ernest Givins

$6.55
2009 Bowman Draft Picks College Letter Patch #LAP-KS

Kory Sheets /175

$2.88
1998-99 Topps Mystery Finest Bronze #M4

Wayne Gretzky

$9.25
2015-16 Upper Deck UD Canvas #C252

Theoren Fleury

$15.25
2015-16 Upper Deck Silver Foil Board #475

Young Guns - Ryan Hartman

$4.50
2014-15 Fleer Showcase Hot Prospects #112

Matt Carey, Scott Darling /299

$8.25
2014-15 Upper Deck UD Canvas #C104

Leon Draisaitl

$25.25
2009-10 Panini Season Update Threads Update Rookie Class Letter Patch Signatures #139

Marcus Thornton /696

$4.98
2014-15 Panini Court Kings Expressionists #22

LeBron James

$8.75
2015-16 Panini Prizm Rookie Signatures #RS-JOR

Josh Richardson

$17.99
2009-10 Panini #307

Stephen Curry

$24.14
2015-16 Panini National Treasures Signatures #S-DMD

Doug McDermott /75

$11.95

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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. We don't use stock images; 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.