Shop from 44,978,309 total and 12,784,343 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

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Store & insure consigned collectibles

Resolve customer service needs

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We Have Other Unique Services

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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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1957 Topps - [Base] #284

Scarce Series - Don Zimmer

$32.40

2023 Onyx Vintage - Autographs - Blue Ink #VAJC.2

Junior Caminero

$40.79

2023 Topps Series 2 - Heavy Lumber #HL-39

Eddie Mathews

$35.04

2017 Panini USA Baseball Stars & Stripes - Stars and Stripes Signatures - Jersey #40

Patrick Bailey /299

$17.10

2021 Panini Contenders - [Base] #171.1

Rookie Ticket - Jeremiah Owusu-Koramoah

$13.19

2020 Panini Mosaic - [Base] - Green Mosaic Prizm #204

Derek Carr (With Ball) [PSA 10 GEM MT]

$57.75

2005 Topps - [Base] #375

DeMarcus Ware [PSA 9 MINT]

$30.15

2020 Panini Mosaic - [Base] - Reactive Gold Mosaic Prizm #222

Rookies - Jalen Hurts

$28.14

2020-21 Upper Deck Extended Series - [Base] - UD Exclusives #728

Young Guns - Drew O'Connor /100

$54.59

2023-24 Upper Deck Game Dated Moments - [Base] #34

Rookie - (Dec. 12, 2023) - Connor Bedard and Connor McDavid Meet for the First …

$86.79

2020-21 Upper Deck - Dazzlers - Green #DZ-18

Connor McDavid

$18.07

1994-95 Fleer Ultra - Global Great #1

Sergei Fedorov

$18.94

2024-25 Upper Deck Extended Series - Day with the Cup #DC-15

Steven Lorentz

$17.49

2003-04 Topps Rookie Matrix - [Base] #113-112-111

LeBron James, Darko Milicic, Carmelo Anthony

$35.04

1997-98 EX2001 - [Base] #75

Tim Duncan [PSA 9 MINT]

$92.24

2003-04 Upper Deck Rookie Exclusives - [Base] #1

Star Rookie - LeBron James

$92.54

2018-19 Panini Donruss Optic - [Base] - Holo Prizm #94

LeBron James

$81.04

1999-00 Skybox Metal - [Base] - Emerald #17

Jump to Popular Players!

Michael Jordan HOF	Shohei Ohtani	Aaron Judge	Alexis Lafreniere	Derek Jeter	Shaquille O'Neal
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.	Stephen Curry	Cale Makar

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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.