• The Safe & Easy Way to Buy & Sell Collectibles

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

Sale - 56% OFF SRP
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Ends: 4d 6h 12m
moxacaine
Port: 1973-2016
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Ends: 2d 23h 34m
$75.00 Doomm
Port: 2015-2016
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Ends: 1d 5h 54m
$999.00 buymore
Sale - -2% OFF SRP
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Ends: 4d 0h 12m
LeadingProspects1
Sale - 46% OFF SRP
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Ends: 2d 21h 12m
dustin42

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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2014 Panini Hall of Fame - Signatures #88

Pat Gillick

$5.25
2013 Bowman Inception - Prospect Autographs #PA-SP

Stephen Piscotty

$9.49
2012 Topps Chrome - [Base] #196.1

Bryce Harper (Batting)

$33.26
2016 Topps Allen & Ginter's - Relics B #FSRB-MSH

Maria Sharapova

$7.25
1971 Topps - [Base] #599

Norm Cash

$7.95
2008 SP Authentic - [Base] #129

Rookie Authentics - Danny Amendola /1399

$27.98
2016 Donruss Optic - [Base] #168

Rated Rookies - Ezekiel Elliott

$10.99
2012 Playoff Prestige - [Base] #204

Janoris Jenkins

$19.95
2015 Panini Contenders - [Base] #158

Rookie Ticket - Malcom Brown

$7.00
1977 Topps - [Base] #360

Walter Payton

$20.25
2005-06 Upper Deck - [Base] #209

Brent Seabrook

$12.70
2013-14 Upper Deck - [Base] #218

Morgan Rielly

$11.23
2016-17 Upper Deck - A Piece of History 1000 Point Club #PC-PE

Patrik Elias

$7.25
2016-17 Upper Deck - UD Canvas #C257

Program of Excellence - Josh Morrissey

$999.00
2013-14 Upper Deck - [Base] #242

Sean Monahan

$12.49
2012-13 Panini Prizm - [Base] - Prizms #238

Bradley Beal

$100.00
2013-14 Panini National Treasures - Material Treasures Signatures #MT-IS

Iman Shumpert /99

$11.95
1993-94 Upper Deck Special Edition - Die-Cut All-Stars #W13

David Robinson

$11.79
2014-15 Upper Deck Lettermen - Rookie Premier Lettermen Autographs #RL-KA

Kyle Anderson /50

$20.00
2015-16 Panini Select - Swatches - Purple Prizms #4

Zach LaVine /49

$5.25

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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.