Shop from 43,157,343 total and 12,294,273 unique sports cards. Baseball, Football, Hockey, and Basketball.

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Sale - 29% OFF SRP

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Port: 1993-2024 MultiSpo…

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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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

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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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1959 Topps - [Base] #40.3

Warren Spahn (Born 1921)

$36.50

2011 Bowman Sterling - Prospect Autographs #BSP-JB.1

Javier Baez [PSA 10 GEM MT]

$143.10

2018 Topps Opening Day - Stadium Signatures #SS-BH

Dodgers' Big Three (Johnny Podres, Don Drysdale, Sandy Koufax)

$51.14

2016 Topps Chrome - [Base] #150

Corey Seager [PSA 10 GEM MT]

$57.74

2005 Upper Deck Reflections - Cut from the Same Cloth #CC-MM

O.J. Simpson

$114.96

2023 Bowman University Chrome - [Base] - Aqua Refractor #138

Rome Odunze /299

$29.28

2023 Panini Mosaic - [Base] - Reactive Yellow Mosaic Prizm #282

Rookies - Anthony Richardson [PSA 10 GEM MT]

$37.05

2002 Topps - Super Bowl Goal Post Relic #SBG7

David Patten

$86.49

2019-20 Upper Deck Chronology - Letterman Patches Letter Relics #L-CA-JG

Johnny Gaudreau /35

$86.79

2023-24 Upper Deck Series 2 - [Base] - Silver Foil #468

Young Guns - Leo Carlsson

$92.54

2005-06 Upper Deck The Cup - [Base] #183

Auto Rookie Patch - Cam Barker /199

$58.03

2024-25 Upper Deck Series 2 - [Base] - Outburst #474

Young Guns - Rutger McGroarty

$46.54

2024 Upper Deck PWHL 1st Edition - [Base] - Outburst #60

Young Guns - Ann-Renee Desbiens

$39.64

2021-22 Panini Noir - Jumbo Material #JM-GAK

Earvin "Magic" Johnson [PSA 10 GEM MT]

$80.74

2021-22 Panini Prizm - [Base] - Red Prizm #288

Kobe Bryant

$35.04

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

Caitlin Clark /115750 [PSA 9 MINT]

$22.09

Jump to Popular Players!

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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.