Shop from 43,155,203 total and 12,293,950 unique sports cards. Baseball, Football, Hockey, and Basketball.

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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!

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

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eBay Integration

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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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1964 Topps - [Base] #210

Carl Yastrzemski

$19.75

2018 Topps Update Series - [Base] #US285

Rookies - Corey Seager [PSA 10 GEM MT]

$34.74

1999 Skybox Thunder - Turbo Charged #3 [TC]

Ken Griffey Jr.

$53.44

2019 Bowman Chrome - Prospects Autographs - Refractor #CPA-MG

Moises Gomez /499

$9.40

2020 Panini Donruss Optic - [Base] #164

Rated Rookies - Jalen Hurts [PSA 10 GEM MT]

$142.00

2022 Panini Prizm - [Base] - Green Prizm #341

Rookies - Ahmad "Sauce" Gardner [PSA 9 MINT]

$53.15

2020 Panini Donruss Optic - [Base] #153

Rated Rookies - Justin Herbert [PSA 10 GEM MT]

$142.00

1990 Fleer Update - [Base] #U-40.1

Emmitt Smith (Large NFLPA Logo) [PSA 9 MINT]

$35.89

2020 Panini Select - [Base] - Maroon Prizm Die-Cut #146

Premier Level - Joe Burrow

$46.53

2022-23 O-Pee-Chee Platinum - [Base] - Pond Hockey Variants #287

Marquee Rookies - Jonatan Berggren

$32.45

2024-25 Upper Deck Series 2 - [Base] - Swagnificent #313

Leon Draisaitl

$20.09

2023-24 Upper Deck Series 2 - [Base] - Outburst #500

Young Guns - Checklist - Connor Bedard, Leo Carlsson

$78.74

2011-12 Upper Deck Parkhurst Champions - [Base] - Autographs #93

Jim Neilson

$43.94

2016-17 Upper Deck The Cup - [Base] #147

Rookie Auto Patch - Tom Kuhnhackl /249

$17.79

1998-99 Topps - Roundball Royalty #R16

Shawn Kemp

$12.04

2019-20 Panini Encased - Rookie Label Materials #RL-RUI

Jim Paxson [PSA 9 MINT]

$57.74

2018-19 Panini Prizm - Emergent #5

Sam Vincent (Michael Jordan Wearing #12 Jersey) [PSA 7 NM]

$24.40

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.