Shop from 44,588,030 total and 12,644,214 unique sports cards. Baseball, Football, Hockey, and Basketball.

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Sale - 46% 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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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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1953 Topps - [Base] #151.2

Hoyt Wilhelm (Bio Information is White) [PSA 4 VG‑EX]

$110.65

1965 Topps - [Base] #320

Bob Gibson [Good to VG‑EX]

$46.24

1993 Topps Stadium Club - [Base] - 1st Day Issue #134

Premier Prospects - Alex Rodriguez [PSA 7 NM]

$35.90

2022 Topps Holiday - Mega Box [Base] #HW44.1

Julio Rodriguez [PSA 10 GEM MT]

$35.89

2023 Bowman University Chrome - Chrome Prospect Autographs - Fuchsia Mini-Diamond Refractor #191

Jaxson Dart /150

$229.95

2018 Panini Donruss - [Base] #317

Rated Rookie - Lamar Jackson

$48.84

2023 Bowman University Chrome - Chrome Prospect Autographs - Fuchsia Mini-Diamond Refractor #46

Jacob Cowing /150

$12.04

2017 Panini Phoenix - Legacy - Red #L-2

Tom Brady /299

$29.00

2015 Panini Crown Royale - [Base] - Signatures #225

Rookie Silhouettes - Marcus Mariota /299

$46.54

2023-24 Upper Deck Extended Series - Day with the Cup #DC17

Nicolas Hague

$34.84

1996-97 Pinnacle - Team Pinnacle #8

John Vanbiesbrouck, Patrick Roy

$27.56

2023-24 Upper Deck Series 1 - [Base] - Outburst Silver #228

Young Guns - Simon Edvinsson

$29.29

2016-17 SP Authentic - [Base] #178

Future Watch Autographs - Jakob Chychrun /999

$46.54

2018-19 Upper Deck - UD Canvas #C119

Young Guns - Andrei Svechnikov

$40.50

1997-98 SPx - [Base] - Silver #26

Stephon Marbury

$11.75

2021-22 Panini Photogenic - [Base] #105

Jalen Green

$23.27

1998-99 Upper Deck Black Diamond - [Base] - Double Diamond #12

Michael Jordan /3000

$44.51

1998-99 Skybox Premium - Mod Squad #16 MS

Michael Jordan

$26.65

1992-93 Topps - [Base] - Gold #362

Jump to Popular Players!

Michael Jordan HOF	LeBron James	Aaron Judge	Alexis Lafreniere	Zion Williamson	Stephen Curry
Connor Bedard	Shohei Ohtani	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.