Shop from 44,860,067 total and 12,705,957 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

Securely package & ship to buyers

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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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2020 Panini USA Baseball Stars & Stripes - Collegiate National Team Signatures #CNT CC

Colton Cowser /499

$17.79

2022 Topps Stadium Club - [Base] #177.2

Image Variation - Trea Turner /200

$17.79

1964 Topps - [Base] #512

1964 Rookie Stars - Willie Horton, Joe Sparma [Good to VG‑EX]

$29.29

1998 Flair Showcase - Row 0 #81

Image Variation - Ichiro (In Dugout)

$86.79

2012 Panini Prizm - [Base] #116

Tom Brady

$68.39

2002 Topps Chrome - [Base] - Black Refractor #25

Jim Tyrer

$14.33

2002 Playoff Piece of the Game - Materials #POG-62

Team Connections - Kurt Warner, Marshall Faulk /500

$75.29

2004 Topps Finest - [Base] #104

Randy Moss

$35.04

2024-25 Upper Deck Series 1 - Young Guns Renewed - Exclusives #YGR-5

Patrice Bergeron /100

$120.28

2022-23 Upper Deck Series 1 - [Base] - Speckled Rainbow Foil #70

Connor McDavid

$35.04

2020-21 Upper Deck Synergy - [Base] - Purple #77

Rookie - Joseph Woll /65

$29.29

2024 Upper Deck PWHL 1st Edition - [Base] - Exclusives #56

Young Guns - Alina Muller /100

$86.79

2023-24 Upper Deck Series 2 - [Base] - Speckled Rainbow Foil #496

Young Guns - Connor Zary

$164.00

2004 Fleer Ultra WNBA - [Base] #85

Stephanie White

$28.13

2018-19 Panini Chronicles - [Base] #183

Playoff - Luka Doncic [PSA 9 MINT]

$75.00

2023-24 Panini NBA Hoops - Highlights #1

Star Rookies - Kevin Durant

$20.09

2021-22 Panini Photogenic - Pregame #7

Jump to Popular Players!

Michael Jordan HOF	Shohei Ohtani	Aaron Judge	Alexis Lafreniere	Zion Williamson	Stephen Curry
Connor Bedard	LeBron James	Spider-Man	Tom Brady	Derek Jeter	Patrick Mahomes II
Connor McDavid	Luka Doncic	Ken Griffey Jr.	Wolverine	Ja Morant	Wayne Gretzky
Kobe Bryant	Auston Matthews	Mike Trout	Ronald Acuna Jr.	Shaquille O'Neal	Paul Goldschmidt

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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.