Due to COVID-19, all shipping is experiencing significant delays. One of the benefits of COMC is you can ship all your items at once at a later date. After you've placed your shipping request we are unable to combine shipments requested on different days.
Shop from 22,050,957 total and 7,039,169 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!

22 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

2013 Topps Chrome - [Base] #78

Nolan Arenado

1985 Topps - [Base] #401

Mark McGwire

2019 Topps Heritage High Number - [Base] #519.1

Pete Alonso (Batting Pose) [PSA 9 MINT]

1966 Topps - [Base] #565

High # - Jim Piersall

2018 Topps Chrome Update - Target Exclusive [Base] #HMT55

Juan Soto [PSA 10 GEM MT]

2017 Donruss Optic - The Rookies #8

Deshaun Watson

2018 Upper Deck USA Football - [Base] - Red Border #141

Nathan Verastegui

1956 Topps - [Base] #60

Lenny Moore

2016 Donruss Optic - [Base] - Orange #89

Russell Wilson /199

1984 Topps - [Base] #123

Dan Marino

2012-13 Fleer Retro - 1997-98 E-X 2001 Design - Essential Credentials Now #32

Pavel Datsyuk /32

2015-16 Upper Deck Black Diamond - Exquisite Rookies Patch #R-NH

Noah Hanifin /299

2019-20 Upper Deck Allure - [Base] - Red Rainbow #100

Rookies - Jack Hughes

2015-16 Upper Deck Artifacts - [Base] #206

Jack Eichel /899

2019-20 Upper Deck - Shooting Stars Rookies #SS-20

Jack Hughes

2018-19 Panini Prizm - Luck of the Lottery - Fast Break Prizm #5

Trae Young

2016-17 Panini Prizm - [Base] #175

Jamal Murray [PSA 9 MINT]

2017-18 Panini NBA Hoops - Hot Signatures Rookies #HSR-JH

Josh Hart

2018-19 Panini Donruss - [Base] #177

Rated Rookies - Luka Doncic

2016-17 Panini Donruss Optic - [Base] - Red Prizm #59

Carmelo Anthony /99

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.