Shop from 44,871,101 total and 12,708,906 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!

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

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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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Shop Recently Added

2018 Topps Now - [Base] #234

Shohei Ohtani /5198

$55.74

2011 Topps Update Series - [Base] #US132

Jose Altuve

$39.99

2018 Topps Chrome Sapphire Edition - Topps Online Exclusive [Base] #316

Max Fried

$86.79

2021 Topps Project 70 - Online Exclusive [Base] #510

1994 Topps Baseball - Shohei Ohtani by Jeff Staple /8709 [Uncirculated]

$80.75

2005 Topps - [Base] #677

Draft Pick - Justin Verlander

$35.04

2024 Bowman University Chrome - Chrome Prospect Autographs #PA-DDE

Dani Dennis-Sutton

$29.29

1990 Fleer Update - [Base] #U-40.1

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

$43.94

2024 Panini Donruss - Downtown! - Oversized #13

Drake Maye

$114.68

1995 Pacific Crown Royale - Pro Bowl Die-Cuts #PB-5

Concourse - Lamar Jackson

$41.94

2023-24 Upper Deck Series 2 - [Base] - Silver Foil #456

Young Guns - Jackson LaCombe

$60.34

2024-25 4 Nations Face-Off - [Base] - Image Variant Country Team Logo Achievement #5-CV

Auston Matthews /299

$23.25

2016-17 Upper Deck Tim Hortons Collector's Series - Franchise Force #FF-8

Sidney Crosby

$15.19

2024-25 Upper Deck Extended Series - Trilogy Rookie Premiere - Uncommon #T-13

Macklin Celebrini /499

$56.31

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

Billy Smith /35

$29.00

2001-02 Fleer Showcase - [Base] #87.1

Avant Card - Vince Carter

$23.54

2016-17 Panini Donruss Optic - [Base] #153

Jaylen Brown [PSA 10 GEM MT]

$109.50

2024-25 Panini Prizm - [Base] - Red Ice Prizm #234

Cooper Flagg /32526 [BGS 9.5 GEM MINT]

$41.65

1961-62 Fleer - [Base] #30

Jump to Popular Players!

Michael Jordan HOF	Shohei Ohtani	Aaron Judge	Alexis Lafreniere	Derek Jeter	Stephen Curry
Connor Bedard	LeBron James	Spider-Man	Tom Brady	Zion Williamson	Patrick Mahomes II
Connor McDavid	Luka Doncic	Ken Griffey Jr.	Wolverine	Ja Morant	Wayne Gretzky
Kobe Bryant	Auston Matthews	Mike Trout	Ronald Acuna Jr.	Shaquille O'Neal	Paul Goldschmidt

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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.