Shop from 44,741,915 total and 12,678,690 unique sports cards. Baseball, Football, Hockey, and Basketball.

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$4,000.00 shortstopguy12

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

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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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1969 Topps - [Base] #120

Sport Magazine '58 All Star Selection - Stan Musial

$31.94

2020 Topps - [Base] #250.2

SP - Photo Variation - Bryce Harper (Gatorade Shower)

$98.29

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

Dexter McCleon Jr.

$46.24

2003 Topps Chrome Traded & Rookies - [Base] #T52

David Ortiz

$44.24

2023 Panini Donruss Optic - [Base] - Holo Prizm #244

Rated Rookie - C.J. Stroud

$39.93

2020 Panini Donruss - [Base] - Press Proof Blue #303

Rated Rookie - Justin Herbert

$35.03

2009 Playoff Absolute Memorabilia - Tools of the Trade Materials - Spectrum Black Prime #24

Mike Sellers /30

$35.04

2019 Panini Donruss - [Base] - Press Proof Bronze Autographs #346

Randy Moss [PSA 9 MINT]

$45.77

2019-20 Upper Deck Artifacts - [Base] - Horizontal Gold Material #180

Rookies - Quinn Hughes /199

$36.50

2023-24 Upper Deck SP Game Used - Draft Day Marks #DDM-MS

Matt Savoie /35

$64.65

2024-25 Upper Deck Series 1 - [Base] #229

Young Guns - Lane Hutson [PSA 9 MINT]

$165.10

2021-22 Upper Deck Series 1 - [Base] #201

Young Guns - Cole Caufield

$50.85

2023-24 O-Pee-Chee Platinum - [Base] - Rainbow #201

Marquee Rookies - Connor Bedard

$51.72

2023 Panini Prizm WNBA - [Base] - Orange Prizm #135

Maddy Siegrist /99

$30.44

1998-99 Skybox Molten Metal - [Base] - Xplosion #35

Metal Smiths - Dirk Nowitzki

$62.38

2018-19 Panini Opulence - [Base] #129

Rookie Patch Autographs - Jaren Jackson Jr. /79

$312.78

1998-99 Skybox E-X Century - Generation E-X #3 GE

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.