• The Safe & Easy Way to Buy & Sell Collectibles

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

Port: 1965-2017
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Ends: 3d 3h 49m
$40.00 Mackie
Sale - 34% OFF SRP
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Ends: 1d 12h 55m
massmediakid
Sale - 42% OFF SRP
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Ends: 0d 2h 56m
alrosen
Sale - 63% OFF SRP
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Ends: 0d 2h 55m
meelypops
Sale - 49% OFF SRP
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Ends: 6d 11h 55m
cccardfactory

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.

Buy Cards

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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Shop Recently Added

2011 Topps Allen & Ginter's - [Base] - Ginter Code Puzzle Border #57

Derek Jeter

$5.15
1960 Topps - [Base] #570

Don Drysdale

$30.00
2011 Bowman Sterling - MLB Future Stars - Refractors #14

Gary Sanchez /199

$39.99
2013 Panini Cooperstown Collection - [Base] #65

Vin Scully

$6.25
2016 Bowman's Best - Best of 2016 Autographs #B16-OA

Ozzie Albies

$7.95
1998 Ultra - Flair Showcase Preview #4

Brett Favre

$24.25
1962 Topps - [Base] #13

Billy Wade

$20.24
2014 Topps Finest - [Base] #122

Derek Carr [PSA 10]

$20.50
2005 SAGE - Autographs - Red #A13

Thomas Davis /999

$12.75
2016 Panini Immaculate Collection - Immaculate Signature Patches Rookie #JW

Jonathan Williams /99

$6.25
2016-17 Upper Deck - [Base] - Silver Foil #496

Young Guns - Zane Mcintyre

$10.25
2016-17 Upper Deck - UD Canvas #C235

Young Guns - Jake Guentzel

$100.00
2016-17 O-Pee-Chee Platinum - Rookie Autographs - Rainbow #R-ST

Dylan Strome

$40.25
2016-17 Upper Deck SP Game Used - [Base] - Purple #101

Authentic Rookies - Auston Matthews

$80.25
2015-16 Upper Deck - O-Pee-Chee Update Signatures #US-DD

Devan Dubnyk

$25.25
2014-15 Panini National Treasures - [Base] #20

Anthony Davis /99

$12.75
1986-87 Fleer - Stickers #8

Michael Jordan [BGS 7]

$223.00
1998-99 Skybox Premium - Soul of the Game #8 SG

Shaquille O'Neal

$40.25
1996-97 Fleer - Game Breakers #10

Anfernee Hardaway, Shaquille O'Neal

$19.99
2014-15 Panini National Treasures - [Base] #128

Rookie Patch Autographs - Joe Harris /99

$20.25

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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.