• The Safe & Easy Way to Buy & Sell Collectibles

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

Sale - 71% OFF SRP
Preview
Ends: 3d 8h 7m
HighNumberMonster
Port: 2015-2017
Preview
Ends: 4d 17h 26m
$5,000.00 crumbcrumb
Sale - 57% OFF SRP
Preview
Ends: 2d 2h 7m
mjohnatgt
Port: 2010-2017
Preview
Ends: 2d 8h 6m
$3,700.00 dogracer11
Port: 1995-2016
Preview
Ends: 4d 17h 52m
$400.00 Sals_cardz

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

2015 Bowman Draft - Chrome - Asia Exclusive Black Refractor #200

Brendan Rodgers

$12.73
2013 Topps - Manufactured Commemorative Patch #CP-30

Miguel Cabrera

$19.99
2010 Topps - Manufactured Commemorative Patch #MCP15

Eddie Mathews

$19.25
2011 Leaf Metal Draft - [Base] #AU-JB1

Jackie Bradley Jr.

$24.75
2017 Bowman - Chrome Rookie Autographs #CRA-TA

Tyler Austin

$8.25
1972 Topps - [Base] #150

Terry Bradshaw

$22.73
2013 Score - Franchise Fabrics #FF-DH

Devin Hester

$5.85
2016 Panini Prestige - [Base] #206

Rookies - Dak Prescott

$8.99
2014 Topps Inception - Rookie Autographs #22

Kelvin Benjamin

$21.99
2014 Bowman Sterling - Autograph Rookie Relics #BSAR-JG

Jimmy Garoppolo

$34.68
2012-13 Upper Deck - UD Canvas #C119

Carter Ashton

$10.25
2015-16 Upper Deck - Rookie Breakouts #RB13

Matt Puempel /100

$10.00
2011-12 Panini Certified - [Base] #190

Cam Talbot

$25.25
2014-15 Upper Deck Ice - [Base] #134

Marko Dano /499

$15.25
2015-16 Upper Deck Full Force - Goooal! #G-CM

Foil Rookies - Connor McDavid

$20.25
1993-94 Upper Deck Special Edition - Die-Cut All-Stars #W2

Jamal Mashburn

$22.47
1971-72 Topps - Trios Stickers #24A

ABA Team Logos [Good to VG‑EX]

$9.99
2009-10 Panini Prestige - [Base] #207

Stephen Curry

$25.25
2015-16 Panini Revolution - Rookie Autographs #8

Mario Hezonja

$45.25
2012-13 Panini Crusade - Quest Autographs #27

Iman Shumpert

$6.00

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.