Shop from 43,148,655 total and 12,293,612 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!

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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1996 Select - Team Nucleus #9

Edgar Martinez, Ken Griffey Jr., Randy Johnson

$28.94

2018 Topps Update Series - [Base] #US300.1

Juan Soto (Vertical, Blue Jersey) [PSA 10 GEM MT]

$58.90

1954 Topps - [Base] #132

Tom Lasorda [Good to VG‑EX]

$114.39

2018 Topps Big League - [Base] #141

Shohei Ohtani

$50.96

1998 Pacific Paramount - Special Delivery #18

Draft Pick - Jake Plummer [PSA 9 MINT]

$34.74

2024 Panini Prizm - Prizmatic - No Huddle Prizm #1

Rookie - Jalen Hurts [PSA 10 GEM MT]

$175.00

2020 Panini Mosaic - [Base] #201.1

Rookies - Joe Burrow [PSA 10 GEM MT]

$86.50

2014-15 SP Authentic - Upper Deck Update #517

Tyler Myers

$23.25

2021-22 Upper Deck Black Diamond - Rookie Team Logo Jumbo Puzzle Manufactured Patches #RTL-MS

Moritz Seider

$52.00

2005-06 Upper Deck Victory - [Base] #264

Rookies - Alexander Ovechkin [PSA 10 GEM MT]

$688.90

2019-20 Upper Deck Black Diamond - Rookie Team Logo Jumbos #RTL-FZ

Filip Zadina

$36.77

2005-06 Upper Deck The Cup - [Base] #158

Auto Rookie Patch - Chris Thorburn /199

$58.03

2018-19 Panini Prizm - [Base] #184

Shai Gilgeous-Alexander

$30.79

2019-20 Panini Donruss Optic - [Base] #158

Rated Rookie - Zion Williamson [BGS 9.5 GEM MINT]

$57.75

2018-19 Panini Status - [Base] #106

Rookies 1 - Shai Gilgeous-Alexander [PSA 10 GEM MT]

$91.10

2023-24 Panini Court Kings - [Base] #106

Rookies II - Victor Wembanyama [PSA 10 GEM MT]

$202.50

2000-01 Ultimate Victory - [Base] - Ultimate Collection #46

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.