Shop from 43,159,455 total and 12,298,048 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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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

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Store & insure consigned collectibles

Resolve customer service needs

Securely package & ship to buyers

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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2015 Panini National Treasures - Game Ball Signatures #58

High # - Roberto Pena [Good to VG‑EX]

$52.29

2018 Topps Update Series - [Base] #US300.1

Juan Soto (Vertical, Blue Jersey) [BGS 9 MINT]

$53.15

2023 Bowman - Bowman Spotlights #BS-6

Jackson Holliday [PSA 10 GEM MT]

$80.75

2017 Topps Chrome Update - Target Exclusive [Base] #HMT81

All-Star - Cody Bellinger [PSA 10 GEM MT]

$23.25

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

Rookies - Michael Penix Jr.

$101.74

1999 Skybox Metal Universe - Planet Metal #15 PM

Randy Moss

$12.04

2024 Panini Mosaic - [Base] - Red Camo Mosaic Prizm #301

Rookies - Caleb Williams

$34.74

2022 Panini Prizm - [Base] - Orange Prizm #311

Rookies - Jameson Williams /249

$29.29

1998 Topps Finest - [Base] #121

Rookie - Peyton Manning [PSA 10 GEM MT]

$186.00

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

Young Guns - Ann-Renee Desbiens

$37.34

1995-96 Select Certified Edition - [Base] - Mirror Gold #89

Dominik Hasek

$38.49

2022-23 Upper Deck Ultimate Collection - Ultimate Introductions - Autographs #UI-92

Showcase - Wyatt Johnston

$49.42

2024 Upper Deck PWHL 1st Edition - [Base] - Outburst #65

Young Guns - Marie-Philip Poulin

$172.51

2020-21 Upper Deck - [Base] #208

Young Guns - Joseph Woll [PSA 10 GEM MT]

$129.90

2024 Panini Prizm WNBA - [Base] - WNBA Logo Prizm #16

Lexie Hull

$22.97

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

Dalton Knecht

$229.18

2021-22 Panini Prizm - [Base] - Fast Break Prizm #306.2

Rookie Variation - Jalen Green

$26.11

2019-20 Panini Donruss Optic - [Base] - Fanatics Box Set Wave Prizm #195

Rated Rookie - Darius Garland [PSA 10 GEM MT]

$24.39

2018-19 Panini Donruss Optic - [Base] - Holo Prizm #162

Rated Rookie - Shai Gilgeous-Alexander

$229.95

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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.