• The Safe & Easy Way to Buy & Sell Collectibles

    Buy from different sellers and get your cards in ONE shipment.

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!

15 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

Amazon 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. All COMC listings can be automatically posted to Amazon!

Sell Cards

The Safe and Easy Way to Buy and Sell Cards Online

Shop Recently Added

2017 Topps Heritage - [Base] - Chrome Variations Purple Refractor #THC-500

Kris Bryant

2001 Upper Deck MVP - 100% Authentic Ken Griffey Jr. #AG-B

Ken Griffey Jr.

2017 Topps Heritage - [Base] - Chrome Variations Refractor #THC-500

Kris Bryant /568

2016 Bowman's Best - Best of 2016 Autographs #B16-IA

Ian Anderson

1963 Topps - [Base] #415

Bob Gibson [Good to VG‑EX]

2007 NFL Sweet Spot - Sweet Swatch Jerseys #SS-RW

Reggie Wayne

2015 Panini Spectra - Team Trios #TT-TEN

David Cobb, Dorial Green-Beckham, Marcus Mariota /199

2014 Panini Black Gold - [Base] #92

Martavis Bryant /199

2015 Topps Chrome - Autographs #153

Rookies - Matt Jones

2015 Topps Valor - Shield of Honor Autograph Patches #SHA-TL

Tyler Lockett /800

2015-16 Upper Deck - Day with the Cup #DC2

Niklas Hjalmarsson

1985-86 O-Pee-Chee - [Base] #210

Al Iafrate

2015-16 SP Authentic - Great White North Autographs #GWN-SR

Sam Reinhart

2014-15 Upper Deck - [Base] #214

Teuvo Teravainen

2016-17 Upper Deck - UD Canvas #C213

Young Guns - Dylan Strome

1961-62 Fleer - [Base] #37

Guy Rodgers

2015-16 Panini Spectra - [Base] #122

Rookie Jerseys Autograph Prizms - Nikola Jokic

2013-14 Panini Select - Rookie Jerseys Autographs #15

Matthew Dellavedova

2014-15 Panini National Treasures - NBA Greats #NBG-GG

Gail Goodrich /75

2015-16 Panini Gala - Main Attraction Memorabilia #6

Isaiah Thomas /60

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. We don't use stock images; 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.