• The Safe & Easy Way to Buy & Sell Collectibles

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

Port: 1960-2016
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Ends: 5d 7h 10m
$6,000.00 jay315
Sale - 24% OFF SRP
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Ends: 1d 15h 4m
Clu
Sale - 75% OFF SRP
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Ends: 2d 23h 3m
sheehymms
Sale - 40% OFF SRP
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Ends: 0d 7h 4m
viperlarry
Sale - 58% OFF SRP
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Ends: 3d 4h 3m
skiandi02

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!

14 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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2000 Topps - Hank Aaron Chrome Reprints - Refractor #19

Hank Aaron

$9.90
2015 Panini Donruss - Signature Series #24

Matt Szczur

$20.15
2014 Bowman Platinum - Autographed Prospects #AP-SSC

Scott Schebler

$9.98
2017 Topps Heritage - [Base] #428.2

High Number SP - Mookie Betts (Action Image Variation)

$12.75
2013 Panini America's Pastime - Dual Exhibits Materials Booklets #HOU

Roger Clemens, Randy Johnson /99

$10.00
2000 Fleer Tradition - Autographics #JAAN

Jamal Anderson

$12.25
2010 Topps Chrome - [Base] - Refractor #C60

Dez Bryant

$9.25
2012 Panini National Treasures - [Base] #328

Joe Adams /99

$20.00
2015 Upper Deck - Rookie Lettermen Signatures #RL-HE

Jeff Heuerman /75

$20.25
2009 Donruss Classics - Classic Quads - Silver #2

Joe Montana, Roger Craig, Jerry Rice, Steve Young /250

$30.25
2015-16 Upper Deck - Code to Greatness #CTG-0

Achievement - Connor McDavid

$25.24
2015-16 Upper Deck - [Base] #201

Young Guns - Connor McDavid

$488.12
2016-17 Upper Deck - UD Canvas #C262

Program of Excellence - Michael Matheson

$10.25
2015-16 Upper Deck - [Base] #201

Young Guns - Connor McDavid

$345.25
2016-17 Upper Deck - [Base] #201

Young Guns - Auston Matthews

$229.99
1996-97 Skybox Premium - Autographics - Black Ink [Autographed] #CHCH

Chris Childs

$3.40
2012-13 Panini Crusade - Quest Memorabilia #63

Draymond Green

$7.75
1975-76 Topps - [Base] #50

Keith Wilkes [Good to VG‑EX]

$29.20
2016-17 Panini Prizm - [Base] - Silver Prizm #236

Dejounte Murray

$40.25
1995-96 Fleer Ultra - Double Trouble - Gold Medallion Edition #3

Michael Jordan

$10.99

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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.