Shop from 43,180,701 total and 12,278,582 unique sports cards. Baseball, Football, Hockey, and Basketball.

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Sale - 80% 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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1978 Topps - [Base] #20

Pete Rose [PSA 8 NM‑MT]

$49.69

2018 Topps Archives - Fan Favorites Autographs #FFA-RF.2

1971 Design - Ray Fosse

$28.14

2021 Topps Project 70 - Online Exclusive [Base] #491

Chuck Styles - Shohei Ohtani (1991 Topps Baseball) /9177 [Uncirculated]

$37.18

1993 Topps - [Base] #98

Derek Jeter [PSA 9 MINT]

$38.20

1991 Upper Deck Final Edition - Box Set [Base] #55F

Ivan Rodriguez [PSA 10 GEM MT]

$52.00

2022 Bowman University Chrome - Chrome Prospect Autographs #51

Sam Hartman

$5.42

2023 Panini Prizm - [Base] - Green Wave Prizm #311.1

Aaron Hernandez /139

$72.59

1990 Little Football Big Leaguers Book Cards - [Base] #_DAMA

Dan Marino

$11.75

1991 Pro Line Portraits - [Base] #115

Bill Belichick [PSA 9 MINT]

$114.10

2019-20 Upper Deck Ultimate Collection - Retro Rookie Autographed Patches #RRPA-TM

Trevor Moore /49

$41.68

2019-20 Upper Deck Black Diamond - Rookie Team Logo Jumbos #RTL-NS

Nick Suzuki

$93.43

2024 Upper Deck PWHL 1st Edition - [Base] - Deluxe #53

Young Guns - Kendall Coyne Schofield /250

$86.79

2016-17 UD Black - Obsidian Signatures #OS-JT

Joe Thornton

$32.74

2024-25 Upper Deck Series 1 - [Base] - Outburst Silver #216

Young Guns - Matt Rempe

$20.21

1999-00 Upper Deck Encore - Jamboree #J1

Isiah Thomas

$33.31

1996-97 Skybox Z Force - [Base] #142

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.