• The Safe & Easy Way to Buy & Sell Collectibles

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

Sale - 86% OFF SRP
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investinink
Port: 2010-2010
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JRCards
Port: 1971-2017
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$2,000.00 Nashua82
Sale - 12% OFF SRP
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boxbuster777
Sale - 50% OFF SRP
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groupbreakchecklists

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!

Sell Cards

The Safe and Easy Way to Buy and Sell Cards Online

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Shop Recently Added

2011 Bowman - Chrome Prospects #BCP1

Bryce Harper

$25.24
2015 Topps Chrome Update - Mega Box [Base] #US283

Kris Bryant

$14.49
2012 Topps Update Series - [Base] #US183

Bryce Harper

$180.22
2016 Topps - [Base] - Gold #675

Gary Sanchez /2016

$35.00
1993 Classic Best Minor League - Promotional #PR1

Derek Jeter

$18.25
2006 Topps Finest - [Base] #160

Joseph Addai /199

$15.25
2016 Donruss Optic - [Base] #168

Rated Rookies - Ezekiel Elliott

$8.99
2007 Topps Co-Signers - Dual Autographs #CSA-RS

Tony Romo, Isaiah Stanback

$85.25
1979 Topps - [Base] #400

Roger Staubach

$10.25
2016 Panini Immaculate Collection - [Base] #120

Rookie Patch Autographs - Wendell Smallwood /99

$13.25
2016-17 Upper Deck - [Base] - Exclusives #202

Young Guns - Lawson Crouse /100

$18.25
2012-13 Fleer Retro - 1998-99 Fleer Tradition Electrifying Design #11

Mario Lemieux

$20.25
2016-17 Upper Deck - UD Canvas #C226

Young Guns - Zach Werenski

$8.05
2016-17 Upper Deck SP Game Used - [Base] - Gold Material [Memorabilia] #50

Connor McDavid

$30.24
2007-08 Upper Deck MVP - [Base] #352

Carey Price

$7.99
2013-14 Panini Intrigue - Dual Jersey Autographs #20

Jae Crowder /99

$15.25
1991-92 Upper Deck - Promos #1

Michael Jordan

$15.25
2009-10 SP Game Used - Combo Materials #CM-MO

Yao Ming, Shaquille O'Neal /499

$9.25
2016-17 Panini NBA Hoops - Highlights #8

Stephen Curry

$5.65
2009-10 Exquisite Collection - [Base] #75

James Johnson /225

$30.25

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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.