Shop from 44,800,856 total and 12,692,357 unique sports cards. Baseball, Football, Hockey, and Basketball.

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Sale - 22% OFF SRP

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.

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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

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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!

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1988 Fleer - [Base] #378

Edgar Martinez [PSA 10 GEM MT]

$68.10

2022 Topps Series 2 - [Base] #537.1

Baseball Thrills - Mantle Blasts 565 Ft. Home Run [Good to VG‑E…

$33.89

1991 Upper Deck - Short Print #SP1.1

Michael Jordan [PSA 5 EX]

$29.00

1996 Leaf Signature Series - Autographs - Bronze #_MIGR.2

Mike Greenwell

$57.74

2024 Bowman University Chrome Sapphire Edition - [Base] #53

Ryan Williams [PSA 10 GEM MT]

$72.82

2005 Playoff Honors - Alma Mater Materials #AM-15

Marshall Faulk

$16.07

2022 Bowman University Chrome - Chrome Prospect Autographs #43

Luke Altmyer

$29.29

2024 Panini Prizm - [Base] - Green Wave Prizm #301

Rookies - Caleb Williams

$57.70

2016 Donruss Optic - [Base] - Purple #172

Rated Rookie - Jared Goff

$19.86

2023-24 O-Pee-Chee Platinum - Retro - Blue Pulsar #R-18

Quinn Hughes /100

$33.32

2009-10 SP Authentic - [Base] #223

Autographed Future Watch - Jamie Benn /999

$62.38

2006-07 SP Authentic - Sign of the Times #ST-MI

Ryan Miller

$25.21

2021-22 Upper Deck Series 1 - [Base] - Silver Foil #202

Young Guns - Ukko-Pekka Luukkonen

$46.25

2024-25 Upper Deck Series 1 - [Base] - Silver Foil #201

Young Guns - Zachary Bolduc

$69.54

2014-15 NBA Hoops - Lights...Camera...Action! #34

LeBron James

$16.64

2023-24 Bowman University Chrome - Chrome Prospect Autographs - Refractor #BCPA-AE

LeBron James [PSA 9 MINT]

$146.77

2005-06 Topps Finest - [Base] #33

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

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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.