Due to COVID-19, all shipping is experiencing significant delays. We welcome you to use a COMC account to combine your purchases and ship them at a later time.
Shop from 21,860,694 total and 6,830,245 unique sports cards. Baseball, Football, Hockey, and Basketball.

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!

21 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.

Buy Baseball Cards Online

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

Sell Baseball Cards Online

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!

Sell Cards

The Safe and Easy Way to Buy and Sell Cards Online

Shop Recently Added

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Derek Jeter [BGS 9 MINT]

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Dave Portnoy

2017 Topps Tier 1 - Break Out Autographs #BOA-ANL

Aaron Nola /300

2019 Topps Heritage - [Base] #394.2

Kyle Tucker (Action Variation)

2012 Topps Chrome - [Base] - Retail Orange Refractor #220

Tom Brady

1973 Topps - [Base] #115

Jack Ham

2014 Bowman - Rookie Chrome Refractor Autograph #46

AJ McCarron

2018 Panini Contenders Draft Picks - [Base] #285

College Ticket - Byron Pringle

2018-19 Upper Deck Ultimate Collection - Ultimate Access #UA-IS

Tier 1 - Ilya Samsonov

2019-20 Upper Deck - [Base] #246

Young Guns - Dominik Kubalik

2018-19 Upper Deck - Clear Cut Foundation Duos #CCF-8

Nathan MacKinnon, Gabriel Landeskog

2018-19 Upper Deck Chronology - Letterman Patches Manufactured Letter Relics #L-TO-BB

Bill Barilko /35

2018-19 Upper Deck Ultimate Collection - Ultimate Introductions - Gold #UI-34

Autographs - Travis Dermott

2019-20 Panini Prizm Draft Picks - [Base] - Silver Prizm #65

Ja Morant

2009-10 Adrenalyn XL - [Base] #JAHA

James Harden

2018-19 Panini Prizm - [Base] #78

Trae Young [EX to NM]

1996-97 Skybox Z Force - Big Men on Court #1

Charles Barkley

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Troy Brown Jr. [PSA 10 GEM MT]

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.