• The Safe & Easy Way to Buy & Sell Collectibles

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

Sale - 23% OFF SRP
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Ends: 8d 15h 30m
jimmertime7
Sale - 79% OFF SRP
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mag1
Sale - 57% OFF SRP
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Ends: 8d 0h 29m
mjohnatgt
Sale - 55% OFF SRP
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Ends: 0d 2h 30m
buymore
Sale - 62% OFF SRP
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Ends: 1d 5h 29m
JohnBfree

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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1966 Topps - [Base] #70

Carl Yastrzemski [Good to VG‑EX]

$11.24
1989 Upper Deck - [Base] #1

Ken Griffey Jr.

$30.25
2010 Topps Update Series - Chrome Refractor RC Box Loader #CHR23

Jake Arrieta

$9.00
2013 Bowman Draft Picks & Prospects - Draft Picks Chrome - Blue Wave Refractor #BDPP15

Clint Frazier

$45.25
2003 Bowman Heritage - [Base] - Rainbow First Year #210

Robinson Cano

$8.73
2015 Panini Donruss - Rookie Threads #DRT-SD

Stefon Diggs

$20.25
1955 Topps All American - [Base] #87

"Germany" Schulz

$50.25
2012 Panini National Treasures - [Base] - Century Gold Signatures [Autographed] #263

Mark Barron /49

$20.25
2005 Topps - [Base] - Black #375

DeMarcus Ware

$18.25
2006 SP Authentic - Autographs #SP-TH

T.J. Houshmandzadeh

$5.24
2016-17 SPx - [Base] #71

Shadow Box Rookies - Mitch Marner /249

$17.49
2016-17 Upper Deck - A Piece of History 1000 Point Club #PC-PE

Patrik Elias

$7.25
2015-16 Upper Deck Ultimate Collection - Autographed Debut Threads #ADT-KF

Kevin Fiala /99

$9.00
2016-17 SPx - Rookies - Blue Autograph [Autographed] #R-MS

Mikhail Sergachev /165

$8.20
2013-14 Panini Prizm - Rookie Autograph - [Autographed] #A-SV

Sami Vatanen

$49.98
1986-87 Fleer - Stickers #2

Larry Bird

$12.25
2005-06 SP Signature Edition - Authentic Signatures - [Autographed] #AS-AL

Al Jefferson

$10.25
1975-76 Topps - [Base] #254

Moses Malone

$15.52
2014-15 Panini Select - Rookie Jersey Autographs - Orange Prizm #5

T.J. Warren /60

$39.25
2015-16 Panini Excalibur - Regal Endorsements #RE-DNS

Don Nelson /234

$10.24

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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.