• The Safe & Easy Way to Buy & Sell Collectibles

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

Sale - 15% OFF SRP
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Ends: 9d 12h 32m
chuckssports
Port: 1987-2017
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Ends: 6d 15h 4m
$65.00 Mackie
Sale - 39% OFF SRP
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Ends: 6d 18h 32m
HawkDynasty
Sale - 37% OFF SRP
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Ends: 2d 4h 32m
massmediakid
Sale - 51% OFF SRP
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Ends: 3d 1h 32m
Jaysabz

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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1969 Topps - [Base] #630

Bobby Bonds

$21.04
1999 Topps Gallery - Heritage #TH13

Cal Ripken Jr.

$15.50
1996 Donruss - Long Ball Leaders #3

Mark McGwire /5000

$9.75
1967 Topps - [Base] #45

Roger Maris [Good to VG‑EX]

$90.25
2008 Topps Allen & Ginter's - [Base] - Mini Allen & Ginter Back #41

Paul Konerko

$7.74
2016 Donruss Optic - [Base] #168

Rated Rookies - Ezekiel Elliott

$9.25
2012 Topps Five Star - Futures Autographed Four-Piece Memorabilia Book #FSFA4-NT

Nick Toon /40

$31.00
2015 Panini National Treasures - [Base] - Jersey Number Red #170

Rookie Signatures - Frank Clark /55

$20.00
1969 Topps - [Base] #51

Gale Sayers [Good to VG‑EX]

$7.75
2016 Panini Contenders Draft Picks - [Base] #248

College Ticket - Karl Joseph

$5.24
2016-17 Upper Deck SP Game Used - Draft Day Marks #DDM-IP

Rookies - Ivan Provorov /35

$69.25
2016-17 Upper Deck - UD Game Jersey #GJ-MB

Martin Brodeur

$35.00
2016-17 Upper Deck SP Game Used - Draft Day Marks #DDM-CD

Rookies - Christian Dvorak /35

$12.25
2015-16 Upper Deck Ultimate Collection - Signature Material Achievements #SMA-JT

Jonathan Toews /40

$65.25
1998-99 Upper Deck - Year of the Great One Wayne Gretzky - Die-Cut Quantum #GO1

Wayne Gretzky /1999

$15.00
1983-84 Star - [Base] #164

Jerry Sichting

$2.50
1983-84 Star - [Base] #39

Nate Archibald

$17.24
2014-15 Panini Preferred - Roundball Die-Cut Autographs #61

Giannis Antetokounmpo /99

$129.00
2013-14 NBA Hoops - [Base] - Gold #124

Stephen Curry

$2.00
2016-17 Panini Prizm - Veteran Signatures #14

Draymond Green

$23.25

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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.