• The Safe & Easy Way to Buy & Sell Collectibles

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

Sale - 59% OFF SRP
Preview
Ends: 1d 16h 54m
JRVintageCards
Sale - 46% OFF SRP
Preview
Ends: 0d 6h 55m
nobinho18
Port: 2001-2016
Preview
Ends: 4d 15h 55m
$750.00 jlemire
Sale - 64% OFF SRP
Preview
Ends: 0d 1h 54m
rschear
Port: 1994-2016
Preview
Ends: 2d 22h 54m
$1,511.00 universitycards

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!

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!

Sell Cards

The Safe and Easy Way to Buy and Sell Cards Online

Or Shop Now

Shop Recently Added

1997 Topps Stadium Club - Pure Gold #PG 7

Chipper Jones

$7.25
1972 Topps - [Base] #785

Vic Davalillo [Good to VG‑EX]

$6.95
1982 Topps - [Base] #21

Bobby Bonner, Cal Ripken Jr., Jeff Schneider [PSA 9]

$99.00
1978 Topps Burger King - Restaurant Detroit Tigers #8

Jack Morris

$15.25
2015 Bowman Draft - Chrome Draft Pick Autographs #BCA-CST

Christin Stewart

$25.25
2007 Bowman Sterling - Rookie Relic Autographs #BSRRA-SS

Steve Smith

$10.25
2013 Topps Archives - Fan Favorites Autographs #FFA-BB

Bubby Brister

$25.25
2012 Topps - NFL Captain's Patch #NCP-MST

Matthew Stafford

$8.25
2001 Topps Chrome - [Base] - Refractor #98

Peyton Manning /999

$8.25
2001 Bowman - [Base] #164

Drew Brees

$12.25
2005-06 SP Authentic - [Base] #216

Andrew Ladd /999

$14.99
2016-17 Upper Deck - [Base] - Silver Foil #215

Young Guns - Zach Sanford

$1.53
2016-17 Upper Deck - [Base] - Silver Foil #215

Young Guns - Zach Sanford

$2.88
1979-80 O-Pee-Chee - [Base] #81

Winnipeg Jets Team

$13.25
2015-16 Upper Deck Ultimate Collection - [Base] #20

Short Printed - Mark Messier /99

$10.25
2015-16 Panini Prizm - [Base] - Ruby Wave Prizm #322

Rookies - D'Angelo Russell /350

$25.25
2013-14 Fleer Retro - [Base] - Fleer Metal Precious Metal Gems Red #254

Dennis Schroeder /150

$20.00
2014-15 Panini Preferred - Rookie Silhouettes #331

Markel Brown /99

$7.44
1993-94 Topps Stadium Club - [Base] - 1st Day Issue #130

Horace Grant

$11.54
1988-89 Fleer Super Star Sticker - [Base] #7

Michael Jordan

$6.64

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.