Shop from 43,170,040 total and 12,294,942 unique sports cards. Baseball, Football, Hockey, and Basketball.

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Sale - 32% 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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Shop Recently Added

2023 Topps Flagship Collection - Companion to Collection - Short Print #CTCSP-2

Shohei Ohtani

$20.72

2021 Topps Project 70 - Online Exclusive [Base] #437

Andrew Thiele - Shohei Ohtani (2021 Topps Baseball) /4335 [Uncirculated]

$115.24

2018 Topps Update Series - [Base] #US1.1

Shohei Ohtani (Pitching, Red Jersey)

$32.45

2022 Topps Throwback Thursday #TBT - Online Exclusive [Base] #47

1955 Topps Baseball Design - Shohei Ohtani /1724

$46.24

2018 Bowman - Chrome Prospects #BCP21

Luis Robert [PSA 10 GEM MT]

$57.75

2023 Panini Donruss Optic - Blazers #13

Deebo Samuel

$25.84

2024 Panini Prizm - [Base] - Disco Prizm #309

Barry Sanders [PSA 9 MINT]

$33.42

2021 Leaf Pro Set College - Autographs #PS-TS2

Sean Taylor

$45.39

2001-02 Topps/O-Pee-Chee Archives - Arena Seats #AS-SM

Stan Mikita

$17.78

2020-21 Upper Deck The Cup - [Base] #122

Rookie Auto Patch - Pierre-Olivier Joseph /249

$30.15

2015-16 Upper Deck - O-Pee-Chee Update #U11

Connor McDavid

$92.46

1997-98 SP Authentic - [Base] #186

Future Watch - Zdeno Chara

$60.16

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

Young Guns - Cole Caufield [PSA 9 MINT]

$69.25

2024-25 Panini Prizm - [Base] - Silver Prizm #130

LeBron James

$35.04

2019-20 Panini Chronicles - [Base] - Pink #84

Threads - Ja Morant [PSA 10 GEM MT]

$53.15

1994 Upper Deck Michael Jordan Rare Air Tribute Set - Factory Set [Base] #89

Decade of Dominance - Michael Jordan ("Famous" People in Background)

$88.79

2019-20 Panini Prizm - [Base] #249.2

Rookie Variation - Ja Morant (Layup) [PSA 9 MINT]

$42.80

2017-18 Panini Donruss Optic - [Base] - Shock #188

Rated Rookie - Donovan Mitchell

$23.54

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.