Shop from 43,157,343 total and 12,294,273 unique sports cards. Baseball, Football, Hockey, and Basketball.

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Sale - 43% OFF SRP

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!

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

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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Shop Recently Added

2023 Topps Allen & Ginter - Framed Mini Non-Baseball Autographs #MA-OP

Ollie Palmer

$31.87

2021 Topps Chrome - Rookie Autographs #RA-JA

Roy Campanella [Good to VG‑EX]

$69.54

2021 Topps Project 70 - Online Exclusive [Base] #286

UNDEFEATED - Ronald Acuna Jr. (2002 Topps Baseball) /3172 [Uncirculated]

$34.74

2024 Topps Heritage - [Base] - Hot Box Chrome Purple Refractor #371

Shohei Ohtani

$29.29

1997 Upper Deck NFL Legends - Autographs #AL-24

Donnie Shell

$29.29

2020 Panini Mosaic - [Base] #201.1

Rookies - Joe Burrow [PSA 10 GEM MT]

$86.50

2001 Upper Deck - [Base] #206

SP - Rookie Variation - Justin Herbert (Negative) [PSA 9 MINT]

$93.40

2019 Panini Black Friday - [Base] #25

Patrick Mahomes II

$4.84

2021-22 Upper Deck Ultimate Collection - [Base] - Auto Patch #171

Ultimate Rookies - Mason McTavish /99

$57.74

2024 Upper Deck PWHL 1st Edition - [Base] - Outburst #70

Young Guns - Emily Clark

$34.75

2024 Upper Deck PWHL 1st Edition - [Base] - Outburst #63

Young Guns - Natalie Spooner

$20.67

2010-11 Upper Deck - [Base] - French #231

Young Guns - P.K. Subban

$37.34

2024 Upper Deck PWHL 1st Edition - [Base] - Purple #64

Topps Playoff MVP - Michael Jordan [PSA 8 NM‑MT]

$34.47

2024-25 Panini Prizm - [Base] - Red Ice Prizm #252

Matas Buzelis

$40.79

2023-24 Panini NBA Hoops - [Base] #298

Hoops Tribute - Victor Wembanyama [PSA 10 GEM MT]

$58.90

2019-20 Panini Prizm - [Base] - Silver Prizm #249

Rookie - Ja Morant

$103.74

2012-13 Panini Prizm - [Base] #209

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.