Shop from 43,173,953 total and 12,294,099 unique sports cards. Baseball, Football, Hockey, and Basketball.

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Sale - 27% 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!

43 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!

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1952 Topps - [Base] #291

Derek Jeter /2006

$40.79

2023 Bowman's Best - Best of 2023 Autographs - Refractor #B23-DD

Deyvison De Los Santos

$10.89

2023 Topps Now - Off-Season #OS-21

Shohei Ohtani /107541 [PSA 10 GEM MT]

$46.25

1989 Fleer - [Base] #548

Ken Griffey Jr. [PSA 10 GEM MT]

$225.60

1996 Select Certified Edition - [Base] - Artist's Proof #100

Eddie George /500

$27.91

2020 Panini Prizm - Rookie Gear #12

Jalen Hurts

$23.83

2024 Panini Prizm - [Base] - Silver Prizm #400

Rookies - J.J. McCarthy [PSA 9 MINT]

$109.56

2018 Panini Donruss - Rookie Threads - Green #17

Lamar Jackson

$39.35

2024 Upper Deck CFL - [Base] - Game Patch Autographs #62

Tim White /99

$46.24

2020-21 Upper Deck Parkhurst - Prominent Prospects - Gold Autographs #PP4

Jason Robertson

$52.00

2024-25 Upper Deck Series 1 - 2024-25 Young Guns - Achievement #YGA-10

David Pastrnak

$36.77

2024 Upper Deck PWHL 1st Edition - [Base] #62

Young Guns - Hilary Knight

$35.04

2016-17 Upper Deck - O-Pee-Chee Update #694

Marquee Rookies - Auston Matthews

$20.09

2021-22 Upper Deck Ultimate Collection - [Base] - Auto Patch #101

Ultimate Rookies - Jamie Drysdale /99

$33.60

2003-04 Topps Chrome - [Base] - Black Refractor #103

Gilbert Arenas /500

$35.04

2020 Panini Prizm WNBA - [Base] #89

Sabrina Ionescu [PSA 10 GEM MT]

$133.86

2019-20 Panini Prizm - [Base] - Red White & Blue Prizm #253

Rookie - Coby White [PSA 10 GEM MT]

$29.00

2015-16 Panini Prizm - [Base] - Light Blue Prizm #324

Jump to Popular Players!

Michael Jordan HOF	LeBron James	Aaron Judge	Alexis Lafreniere	Wolverine	Stephen Curry
Connor Bedard	Shohei Ohtani	Spider-Man	Tom Brady	Derek Jeter	Paul Goldschmidt
Connor McDavid	Luka Doncic	Ken Griffey Jr.	Zion Williamson	Ja Morant	Patrick Mahomes II
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.