• The Safe & Easy Way to Buy & Sell Collectibles

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

Sale - 54% OFF SRP
Preview
Ends: 9d 21h 9m
RPSportsCards
Port: 1964-2017
Preview
Ends: 5d 4h 28m
$6,000.00 Dansutton85
Sale - 50% OFF SRP
Preview
Ends: 2d 21h 8m
MyCoolectibles
Port: 2013-2013 Baseball
Preview
Ends: 0d 20h 42m
$400.00 dustin42
Port: 1989-2017 Football
Preview
Ends: 2d 19h 4m
$180.00 vruscio

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

2014 Bowman Sterling - Prospect Autographs #BSPA-LG

Lucas Giolito

$22.25
1971 Topps - [Base] #100

Pete Rose

$29.25
2015 Topps Tier One - New Guard Autographs #NGA-KCN

Kole Calhoun /349

$7.13
1977 Topps - [Base] #473

Rookie Outfielders (Andre Dawson, Gene Richards, John Scott, Denny Walling)

$6.75
2007 Upper Deck Future Stars - [Base] #135

Jesus Flores

$2.99
2014 Topps Chrome - [Base] #115.1

Derek Carr (With Ball) [PSA 10]

$198.99
1995 Fleer Ultra - Magna Force #16

Brett Favre

$29.25
2015 Topps Platinum - [Base] - Sapphire Refractor #101

Rookies - Jameis Winston

$7.45
1991 Topps Stadium Club - [Base] #94

Brett Favre [BGS 9]

$55.00
2015 Panini Immaculate Collection - [Base] #139

Rookie Patch Autographs - Ty Montgomery /99

$45.85
2011-12 SP Authentic - [Base] #223

Autographed Future Watch - Colten Teubert /999

$24.50
1968-69 Topps - [Base] #62

Yvan Cournoyer

$15.25
2015-16 Upper Deck Ultimate Collection - Iconic Fabrics #IF-JE

Jack Eichel /65

$32.59
1991-92 Upper Deck - [Base] #21

Teemu Selanne [PSA 10]

$15.40
1991-92 Upper Deck - [Base] #21

Teemu Selanne [PSA 10]

$15.40
2012-13 Panini Crusade - Royalty #4

Dennis Rodman

$15.25
2003-04 Upper Deck Sweet Shot - Signature Shots - [Autographed] #JR

Jason Richardson

$15.25
2012-13 Panini Immaculate Collection - Autograph Patches - [Autographed] #AP-LW

Kyle Lowry /100

$120.25
1996-97 SPx - [Base] #8.1

Michael Jordan

$14.25
2012 Leaf Signature Series - [Base] #BA-DW2

Dion Waiters

$20.25

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.