• The Safe & Easy Way to Buy & Sell Collectibles

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

Sale - 41% OFF SRP
Preview
Ends: 9d 12h 13m
breakersrowe
Sale - 23% OFF SRP
Preview
Ends: 3d 21h 13m
jimmertime7
Sale - 15% OFF SRP
Preview
Ends: 1d 15h 13m
Bryanjs14
Sale - 57% OFF SRP
Preview
Ends: 0d 5h 13m
groupbreakchecklists
Port: 1970-2017
Preview
Ends: 0d 12h 12m
$3,000.00 9ford5

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

1960 Topps - [Base] #343

Sandy Koufax [Poor]

$14.13
2011 Bowman Sterling - MLB Future Stars Autographs #BSP-SM

Starling Marte

$8.70
2017 Topps - [Base] #287.1

Base - Aaron Judge (Fielding)

$25.25
1957 Topps - [Base] #342

Gene Mauch

$18.00
1976 Topps - [Base] #550

Hank Aaron

$10.25
2008 Bowman - Fabric of the Future Relics #FF-JN

Jordy Nelson

$9.20
1997 Pinnacle Mint Collection - Coins - Brass #08

Barry Sanders

$5.24
2016 Panini Infinity - Rookie Autographs #RA-KN

Keanu Neal /488

$4.99
2015 Panini National Treasures - Rookie Signatures RPS #RSR-TJ

T.J. Yeldon /49

$8.20
2013 Topps Chrome - [Base] - Black Refractor #131

Eddie Lacy /299

$30.25
2005-06 Upper Deck - [Base] #209

Brent Seabrook

$25.15
2016-17 Upper Deck - UD Canvas #C106

Young Guns - Patrik Laine

$125.25
2014-15 Upper Deck AHL - [Base] #120

Shayne Gostisbehere

$6.69
2015-16 Upper Deck Full Force - Goooal! - Autographs [Autographed] #G-JV

James van Riemsdyk

$15.25
2016-17 Upper Deck - [Base] #468

Young Guns - Mitch Marner [BGS 9.5]

$99.50
2016-17 Panini Prizm - [Base] - Silver Prizm #14

Thon Maker

$48.99
1986-87 Fleer - [Base] #109

Isiah Thomas

$22.25
1970-71 Topps - [Base] #112

John Havlicek

$6.23
2015-16 Panini Gala - Silver Screen Autographs #SS-DRJ

Dino Radja /60

$15.24
2013-14 Panini Innovation - Rookie Jumbo Jerseys #16

Giannis Antetokounmpo /199

$45.00

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.