• The Safe & Easy Way to Buy & Sell Collectibles

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

Sale - 57% OFF SRP
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Ends: 8d 8h 18m
Gomez50
Port: 2011-2017
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Ends: 1d 4h 9m
$3,750.00 ads912
Sale - 24% OFF SRP
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Ends: 0d 17h 18m
MikawlCOMC
Sale - 68% OFF SRP
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Ends: 0d 13h 18m
NYSPORTSFAN
Sale - 39% OFF SRP
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Ends: 0d 18h 18m
GatorBoxBreaks

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!

15 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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2016 Bowman's Best - Top Prospects #TP-28

Aaron Judge

$25.25
2017 Topps Heritage - [Base] - Chrome Variations Refractor #THC-500

Kris Bryant /568

$40.25
2017 Panini Diamond Kings - [Base] #138

Rookies - Aaron Judge

$21.25
2015 Panini Immaculate Collection - [Base] - Blue #145

Rookie Autos Blue - Miguel Castro /49

$3.00
2016 Bowman Inception - Prospect Autographs #PA-TM

Trey Mancini

$23.99
2016 Upper Deck USA Football - Future Swatch Jersey USA U19 #FS-CE

Christopher Evans

$13.25
2010 Topps Chrome - Gridiron Lineage - Refractor #CGL-NS

Joe Namath, Mark Sanchez /99

$16.24
2004 Upper Deck NFL Legends - [Base] #136

Larry Fitzgerald /650

$14.99
1975 Topps - [Base] #416

Joe Theismann [Good to VG‑EX]

$14.25
2016 Panini Playbook - [Base] #125

Rookie Playbook Jersey Autographs - Pharoh Cooper /199

$10.44
2016-17 Upper Deck - UD Canvas #C213

Young Guns - Dylan Strome

$14.64
1973-74 O-Pee-Chee - Rings #11

Boston Bruins Team

$12.25
2014-15 Upper Deck - [Base] #225

Aaron Ekblad

$19.85
2016-17 Upper Deck - [Base] - Silver Foil #204

Young Guns - Connor Brown

$85.25
2007-08 Upper Deck MVP - [Base] #352

Carey Price

$7.99
1991-92 NBA Hoops - All-Star MVPs #IX

Michael Jordan

$9.25
1997-98 SPx - [Base] #6

Michael Jordan

$11.20
2013-14 Panini Titanium - Enshrinement Ink #21

Bob McAdoo /199

$9.50
2013-14 Panini Immaculate Collection - INK #10

Earl Monroe /60

$14.20
1996-97 Upper Deck - Smooth Grooves #SG1

Dennis Rodman

$6.25

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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.