Shop from 44,793,139 total and 12,691,327 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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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

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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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2008 Topps Updates & Highlights - [Base] #UH280

Max Scherzer

$37.04

2013 Topps Update Series - [Base] #US290

Christian Yelich [PSA 10 GEM MT]

$37.05

1967 O-Pee-Chee - [Base] #154

Orioles Win 4th Straight

$14.34

1996 Topps Laser - Power Cuts #P14

Ken Griffey Jr.

$46.23

2022 Topps Tier One - Tier One Talent Autographs #T1TA-KW

Kerry Wood /299

$38.49

1990 Topps - [Base] - Collector's Edition (Tiffany) #52

Lawrence Taylor

$26.98

2023 Panini Prizm - [Base] - Hyper Prizm #389

Rookies - Devon Witherspoon /175

$28.14

1987 Topps - [Base] #362

Unsung Heroes - Olin Kreutz

$46.53

1995 Signature Rookies Prime - [Base] - Autographs #4

Young Guns - Eric Staal

$32.74

2024-25 Upper Deck Extended Series - UD Canvas #C361

Young Guns - Jakub Dobes

$38.20

2024-25 Upper Deck Extended Series - [Base] - Deluxe #706

Young Guns - Jonathan Lekkerimaki /250

$83.34

2024-25 Upper Deck Series 2 - [Base] #451

Young Guns - Macklin Celebrini [PSA 9 MINT]

$357.60

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

Young Guns - Cole Caufield

$63.79

2015-16 Panini Threads - Team Threads Die-Cuts Rookies #5

Karl-Anthony Towns

$21.24

1997-98 Topps Finest - [Base] #107

Common Bronze - Tracy McGrady [PSA 10 GEM MT]

$33.60

1993-94 Upper Deck - [Base] #193

NBA Playoffs Highlights - Michael Jordan [PSA 10 GEM MT]

$175.00

2022-23 Bowman University Chrome - Bowman Invicta #BI-15

Caitlin Clark

$35.04

2019-20 Panini Mosaic - [Base] - Green Prizm #209

Rookies - Zion Williamson [PSA 10 GEM MT]

$32.40

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.