• The Safe & Easy Way to Buy & Sell Collectibles

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

Port: 2017-2017 Non-Spor…
Preview
Ends: 3d 0h 1m
$300.00 zacsoccer7
Port: 1928-2016 Soccer
Preview
Ends: 3d 5h 12m
$850.00 kristianstrom
Sale - 42% OFF SRP
Preview
Ends: 0d 4h 17m
Crocolyle
Sale - 42% OFF SRP
Preview
Ends: 2d 23h 16m
kristianstrom
Sale - 34% OFF SRP
Preview
Ends: 0d 1h 17m
astros1962

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

Or Shop Now

Shop Recently Added

2016 Panini Elite Extra Edition - [Base] #2

Nick Senzel /999

$11.25
2012 Leaf Valiant - [Base] #VA-AR1

Addison Russell

$35.25
2017 Topps Archives - 1960 Rookie Stars #RS-9

Aaron Judge

$27.00
1993 Bowman - [Base] #511

Derek Jeter

$22.25
2016 Bowman Draft - Chrome Draft Pick Autographs #CDA-DD

Dane Dunning

$9.99
2016 Upper Deck USA Football - [Base] - Flag Wave #7

USA U19 - Dwayne Haskins Jr

$5.25
1998 Upper Deck UD3 - [Base] - Die-Cut #17

Randy Moss /2000

$15.24
1989 Score - [Base] #270

Troy Aikman

$10.25
2010 Topps Chrome - [Base] - Refractor #C150

Sam Bradford

$5.65
1973 Topps - [Base] #487

Ken Stabler [Poor to Fair]

$9.94
2012-13 In the Game Motown Madness - Autographs #A-SB

Scotty Bowman

$39.25
1998-99 Topps - Blast from the Past Reprints #6

Brett Hull

$9.75
2015-16 Upper Deck Portfolio - [Base] #315

Rookie Wire Photos - Connor McDavid

$12.25
2011-12 Panini Crown Royale - Lords of the NHL - Memorabilia Prime [Memorabilia] #12

Sidney Crosby

$20.25
2016-17 Upper Deck - [Base] #201

Young Guns - Auston Matthews [BGS 9.5]

$256.20
1986-87 Fleer - [Base] #121

Dominique Wilkins

$34.75
1994-95 Fleer Ultra - NBA All-Rookie #5

Chris Webber

$15.25
2015-16 Panini Totally Certified - Certified Skills #35

Stephen Curry /199

$8.75
1998-99 Topps Stadium Club - Statliners #S2

Michael Jordan

$9.25
2014-15 Panini Prizm - Autographs - Red Pulsar Prizms #63

Elvin Hayes /149

$12.25

Jump to Popular Players!

More Players
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.