Shop from 43,159,266 total and 12,294,297 unique sports cards. Baseball, Football, Hockey, and Basketball.

Diamondlakescards

Sale - 29% 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

Grading Services

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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2013 Topps Update Series - [Base] #US142.2

All-Star - Yadier Molina (With Buster Posey)

$26.39

2024 Bowman Chrome - Prospect Autographs #CPA-LD

Leo De Vries

$236.60

2022 Bowman Chrome - Prospect Autographs #CPA-AG

Julio Rodriguez [PSA 9 MINT]

$14.04

1996 Leaf Limited - Lumberjacks #1

Ken Griffey Jr. /5000

$46.25

2024 Panini Prizm - [Base] - Silver Prizm #378

Rookies - Michael Penix Jr.

$101.74

2024 Bowman University Chrome - Chrome Prospect Autographs #PA-WCA

Will Campbell

$28.72

2020 Panini Donruss Optic - [Base] #151

Aaron Rodgers

$32.34

2024 Panini Donruss - [Base] - Optic Preview Red Pandora Prizm #328

Rated Rookie - Ladd McConkey

$23.20

2013-14 Upper Deck The Cup - [Base] #107

Rookie Auto Patch - Thomas Hickey /249

$38.48

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

Young Guns - Taylor Heise /250

$395.00

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

Young Guns - Cole Caufield [PSA 9 MINT]

$69.25

2023-24 Skybox Metal Universe - Vivacity #34

Kirill Kaprizov

$11.75

2018-19 SP Authentic - [Base] #119

Franchise Icons - Jarome Iginla, Johnny Gaudreau /199

$52.00

1986 Super Canasta NBA Stickers - [Base] #_MIJO

Michael Jordan

$44.52

2002 Upper Deck All-Star Game Philadelphia - Michael Jordan #AS3

Michael Jordan /2002

$115.24

2024 Panini Prizm WNBA - [Base] - WNBA Logo Prizm #147

Angel Reese

$69.54

2009-10 Upper Deck - Dual Game Materials #DG-YM

Yao Ming, Moses Malone

$46.54

2023-24 Bowman University Chrome - Chrome Prospect Autographs #BCPA-MS

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.