Shop from 44,870,828 total and 12,709,420 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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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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2000 Topps Traded - [Base] #T40

Miguel Cabrera [PSA 8 NM‑MT]

$140.90

1949 Bowman - [Base] - Gray Back #111

Ken Griffey Jr. [PSA 10 GEM MT]

$173.90

2010 Topps - [Base] #331.2

SP - Legend Variation - Eddie Mathews

$13.18

2024 Bowman Chrome - Prospect Autographs #CPA-CD

Caleb Durbin

$69.53

2020 Panini Playoff - Behind The Numbers - Silver Prizm #BTN-24

Randy Moss

$35.04

1990 Fleer Update - [Base] #U-40.1

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

$47.40

2023 Upper Deck CFL - [Base] - Autographs #13

Tom Nalen

$35.04

2024 Upper Deck PWHL 1st Edition - [Base] #61

Young Guns - Taylor Heise

$86.79

2013-14 Upper Deck - UD Canvas #C254

Retired Stars - Patrick Roy

$80.75

2024-25 Upper Deck Extended Series - [Base] - Silver Foil #710

Alex Delvecchio

$29.29

2020-21 Panini Contenders - Rookie Ticket Swatches #RS-AEW

Cooper Flagg /32526 [BGS 9.5 GEM MINT]

$41.65

2003-04 Upper Deck - Lebron James City Heights #_LEJA

LeBron James [PSA 9 MINT]

$80.75

1998-99 Topps - East/West - Refractor #EW18

Tim Thomas, Antonio McDyess

$69.43

2023-24 Bowman University Chrome Sapphire Edition - [Base] #9

Zaccharie Risacher [PSA 10 GEM MT]

$57.47

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.