• The Safe & Easy Way to Buy & Sell Collectibles

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

Port: 2011-2017
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Ends: 1d 16h 44m
$500.00 mbarnes1546
Port: 1973-2017
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Ends: 1d 12h 5m
$1,134.00 inserts
Port: 2015-2016 Hockey
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Ends: 2d 4h 39m
$2,750.00 ComcUltimateHockey
Sale - 46% OFF SRP
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Ends: 4d 13h 3m
Heatrush22
Sale - 61% OFF SRP
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Ends: 0d 17h 3m
djorkaeff6

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 Topps Five Star - Autographs #FSA-JD

Josh Donaldson /399

$30.25
2016 Topps Archives - [Base] #301

1991 Design Short Prints - Kenta Maeda

$8.37
1971 Topps - [Base] #596

Mike Jorgensen

$5.45
1959 Topps - [Base] #30

Nellie Fox [Good to VG‑EX]

$6.13
2008 Topps Stadium Club - [Base] - First Day Issue #140

Max Scherzer /599

$27.25
2012 Panini Prizm - [Base] #230

Russell Wilson

$8.50
2014 Topps Chrome - [Base] - Black Refractor #173

Teddy Bridgewater /299

$11.50
2016 Donruss Optic - [Base] - Orange #172

Rated Rookies - Jared Goff /199

$9.75
2016 Panini Prizm Collegiate Draft Picks - [Base] - Prizms Autographs [Autographed] #232

Draft Picks - Taylor Decker

$9.25
1997 Topps Finest - [Base] #154

Chris Spielman

$12.25
2016-17 Upper Deck Compendium - [Base] - Blue #900

Rookies - Auston Matthews

$18.25
2012-13 Upper Deck - Silver Skates #SS35

Mark Messier

$9.75
2014-15 Upper Deck - [Base] #225

Aaron Ekblad

$28.25
2015-16 Upper Deck Full Force - Immediate Impacts #II-CM

Foil Rookies - Connor McDavid

$30.25
2015-16 Upper Deck Contours - [Base] #105

Rookie Autographs - Andreas Athanasiou /499

$15.00
2015-16 Panini Prizm - [Base] - Silver Prizm #317

Rookies - Josh Richardson

$11.00
1993-94 Topps Finest - [Base] - Refractor #115

Hakeem Olajuwon

$16.20
2015-16 Panini Spectra - [Base] #132

Rookie Jerseys Autograph Prizms - Jonathon Simmons

$42.25
1991-92 Upper Deck - Promos #1

Michael Jordan

$15.25
2014-15 Panini Preferred - Silhouettes #290

Walter Davis /60

$15.25

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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.