• The Safe & Easy Way to Buy & Sell Collectibles

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

Port: 2010-2017
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Ends: 5d 17h 40m
$6,999.95 kevindraper
Sale - 40% OFF SRP
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Ends: 1d 10h 9m
RobDerhak
Port: 1994-2016 Football
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Ends: 0d 22h 30m
$200.00 collectorstore
Sale - 54% OFF SRP
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Ends: 0d 14h 9m
VintageVinny
Sale - 6% OFF SRP
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Ends: 1d 13h 9m
rick7

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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2016 Bowman - Chrome Prospect Autographs #CPA-FM

Francis Martes

$18.25
1992 Studio - Preview #5

Cal Ripken Jr.

$49.25
1972 Topps - [Base] #441

Thurman Munson

$6.99
1993 Classic Best Minor League - Promotional #PR1

Derek Jeter

$18.25
2016 Topps Update Series - Target Exclusive Rookies #TAR-19

Kyle Schwarber

$14.99
2014 Panini Contenders - [Base] #203.1

Allen Robinson (running)

$22.99
2002 Pacific Exclusive - [Base] #181

Josh McCown /779

$3.00
1989 Score - [Base] #257

Barry Sanders [PSA 8]

$28.75
2010 Playoff Contenders - [Base] #142

James Starks

$4.25
2016 Donruss Optic - [Base] - Purple #162

Rated Rookies - Dak Prescott

$22.00
2016-17 Upper Deck Tim Hortons Collector's Series - Clear Cut Phenoms #CC-14

Nikolaj Ehlers

$8.90
2016-17 Upper Deck - UD Canvas #C92

Young Guns - Anthony Mantha

$9.74
2016-17 Upper Deck SP Game Used - [Base] - Gold Material [Memorabilia] #101

Authentic Rookies - Auston Matthews /399

$50.25
2013-14 Upper Deck - [Base] #241

Nail Yakupov

$10.97
2016-17 Upper Deck SP Game Used - Draft Day Marks #DDM-JP

Rookies - Jesse Puljujarvi /35

$46.25
1992-93 Topps Stadium Club Starting Lineup - [Base] #18SL

Shaquille O'Neal

$12.24
2015-16 Panini Complete - [Base] #303

Karl-Anthony Towns

$3.25
2013-14 Panini Gold Standard - Metal #37

Stephen Curry

$19.95
2005-06 Upper Deck Exquisite Collection - [Base] #74-AP

Ersan Ilyasova /225

$60.25
1983 Star NBA All-Star Game - [Base] #29

Boston Bombers (East Box Score)

$9.25

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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.