Shop from 44,810,598 total and 12,694,901 unique sports cards. Baseball, Football, Hockey, and Basketball.

Dirtis

Port: 1936-2025 MultiSpo…

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!

44 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.

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

eBay Integration

Historical Sales Data

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. COMC listings are automatically posted to eBay!

Sell Cards

The Safe and Easy Way to Buy and Sell Cards Online

Or Shop Now

Shop Recently Added

2024 Bowman Sterling - Prospect Autographs #PA-KT

Kyle Teel

$16.07

2023 Bowman Draft - Chrome Prospect Autographs #CDA-RR

Roc Riggio

$46.54

2018 Bowman Draft - Chrome Draft Pick Autographs #CDA-LG

Logan Gilbert [PSA 9 MINT]

$63.50

2017 Topps Now - Topps Online Exclusive [Base] #664

Aaron Judge /1548

$40.49

2012 Topps Allen & Ginter's - [Base] #140

Mike Trout [PSA 10 GEM MT]

$75.00

2021 Panini Phoenix - [Base] - Fire Burst #101

Rookie - Trevor Lawrence [PSA 9 MINT]

$34.18

2023 Panini Zenith - Color Guard #CG-1

Patrick Mahomes II

$40.22

2002 Leaf Rookies & Stars - Standing Ovation #SO-01

Tom Brady /2500

$30.10

1999 SP Authentic - Player's Ink #DC-A

Young Guns - Nick Suzuki

$136.50

2024-25 Upper Deck SP Game Used - HOF Marks #HOFM-PF

Fern Flaman

$33.66

2023 Upper Deck Team Canada Juniors - [Base] - Exclusives #65

Pride of the Program - Connor Bedard /100

$55.74

2024-25 Skybox Metal Universe - [Base] - Autographs #121

Rookies - Rutger McGroarty

$14.34

2024 Panini Prizm WNBA - [Base] #22

Caitlin Clark

$15.78

2016-17 Panini Grand Reserve - [Base] #9

LeBron James

$49.98

1996-97 Topps Stadium Club - Rookies Series 2 #R9

Kobe Bryant [PSA 9 MINT]

$104.89

2018-19 Panini Donruss Optic - [Base] #162

Rated Rookie - Shai Gilgeous-Alexander

$29.29

1990-91 Fleer - [Base] #26.1

Michael Jordan (Black Line Under Biographical Information) [PSA 8 NM&…

$33.60

Jump to Popular Players!

Michael Jordan HOF	Shohei Ohtani	Aaron Judge	Alexis Lafreniere	Zion Williamson	Stephen Curry
Connor Bedard	LeBron James	Spider-Man	Tom Brady	Derek Jeter	Patrick Mahomes II
Connor McDavid	Luka Doncic	Ken Griffey Jr.	Wolverine	Ja Morant	Paul Goldschmidt
Kobe Bryant	Auston Matthews	Mike Trout	Ronald Acuna Jr.	Shaquille O'Neal	Wayne Gretzky

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. 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.