Shop from 44,669,209 total and 12,659,117 unique sports cards. Baseball, Football, Hockey, and Basketball.

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Sale - 58% 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

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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2004 SP Legendary Cuts - Ultimate Swatches #US-YB

Edgar Martinez, Ken Griffey Jr., Randy Johnson

$15.49

1967 Topps - [Base] #600

High # - Brooks Robinson [Good to VG‑EX]

$285.28

1997 Bowman - [Base] #194

Adrian Beltre [PSA 9 MINT]

$87.65

2025 Panini Stars and Stripes - Stars and Stripes Signature Materials #SSM-GE

Grady Emerson

$34.74

2020 Panini Prizm - [Base] - Silver Prizm #398

Rookie - Justin Jefferson

$83.09

2019 Panini Donruss Optic - [Base] - Aqua Prizm #179

Rated Rookie - Terry McLaurin /299

$57.70

2010 Topps Chrome - [Base] #C183

Maurkice Pouncey [PSA 9 MINT]

$53.15

2007 Bowman Sterling - Box Loader [Base] - Rookie/Veteran Variations Gold Refractor Autographed Patch Relic #BSG-TG

Ted Ginn Jr. /100

$29.00

2022 Bowman University Chrome - [Base] - Purple Refractor #94

Jaxson Dart /399

$52.29

2010-11 Upper Deck The Cup - [Base] #33

Henrik Lundqvist /249

$17.79

2024 Upper Deck PWHL 1st Edition - [Base] - Exclusives #56

Young Guns - Alina Muller /100

$65.23

2023-24 Upper Deck SP Game Used - HOF Marks #HOFM-GL

Guy Lafleur /35

$114.39

2024-25 Upper Deck Black Diamond - Rookie Team Logo Jumbo Puzzle Manufactured Patches #RTL-BB

Brendan Brisson

$26.42

2024 Upper Deck Team Canada Juniors - [Base] - Jersey #60

Gavin McKenna

$24.69

2024 Panini Prizm WNBA - [Base] - Silver Prizm #22

Caitlin Clark

$390.60

2022-23 Bowman University Best - [Base] #51

Robert Parish [PSA/DNA Certified Authentic Auto]

$54.30

1990-91 Fleer - [Base] #30.1

Scottie Pippen (Black Line Under Biographical Information) [PSA 8 NM&…

$24.35

2017-18 Panini Donruss - [Base] #198

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.