Shop from 43,173,953 total and 12,294,099 unique sports cards. Baseball, Football, Hockey, and Basketball.

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valleysportscollectibles

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!

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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2014 Bowman - Prospect Autographs Chrome #BCAP-JHA

Josh Hader

$24.69

2003 Playoff Prestige - Connections - Materials #C-58

Edgar Martinez, John Olerud /400

$18.64

2017 Topps Chrome - [Base] - Pink Refractor #9

Alex Bregman [PSA 10 GEM MT]

$92.25

2018 Topps Update Series - [Base] #US285

Rookie Debut - Shohei Ohtani

$45.10

2024 Bowman Draft - Chrome Prospect Autographs #CPA-BR

Bryce Rainer

$145.52

2004 Upper Deck - Dual UD Game Jersey #MH-2J

Teddy Bridgewater (Throwing) [PSA 10 GEM MT]

$29.00

2020 Panini Donruss Optic - [Base] #151

Rated Rookies - Joe Burrow

$30.14

2021 Panini Illusions - [Base] - Retail #59

Trevor Lawrence [PSA 9 MINT]

$31.30

1996 Topps Chrome - [Base] - Refractor #68

Tim Brown

$69.54

2024 Upper Deck PWHL 1st Edition - [Base] - Outburst #51

Young Guns - Sarah Nurse

$44.24

2024 Upper Deck Team Canada Juniors - [Base] - Jersey #36

Gavin McKenna

$23.25

2011-12 Upper Deck The Cup - [Base] #151

Auto Rookie Patch - Justin Faulk /249

$29.28

2022-23 Upper Deck Parkhurst Champions - 51 Retros - Wrapper Back #R-21

Sidney Crosby

$90.24

2023-24 Upper Deck Allure - [Base] #102

Rookies - Connor Bedard [PSA 10 GEM MT]

$87.65

1986-87 Fleer - [Base] #26

Clyde Drexler [PSA 8 NM‑MT]

$176.10

2017-18 Panini Donruss Optic - [Base] - Mega Box Red & Yellow #188

Rated Rookie - Donovan Mitchell [PSA 9 MINT]

$47.39

2024-25 Panini Instant WNBA - Caitlin Clark Rookie of the Year #CCROY-A

Caitlin Clark /115750 [PSA 9 MINT]

$22.09

2003-04 Fleer Tradition - [Base] #261

LeBron James [PSA 9 MINT]

$313.32

2018-19 Panini Prizm - [Base] #184

Shai Gilgeous-Alexander [EX to NM]

$28.13

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

More Players

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.