• 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.

Buy Cards

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

2016 Bowman Inception - Prospect Autographs #PA-TM

Trey Mancini

1967 Topps - [Base] #430

Pete Rose [Good to VG‑EX]

2017 Topps - Topps Salute #S-73

Aaron Judge

2003 Topps Pristine - Bomb Squad #PBS-MS2

Mike Schmidt

2014 Bowman Draft Picks & Prospects - Chrome Draft Pick Autographs - Refractors #BCA-TK

Tyler Kolek

2012 Exquisite Collection - [Base] #63

Marc Tyler /99

2016 Panini Prizm - Rookie Autograph - Blue Wave Prizm #RA-MML

Malcolm Mitchell /149

2016 Panini Playoff - Boss Hoggs #BH-EE

Ezekiel Elliott

2014 Bowman Sterling - Autographs #BSA-AD

Rookie Autograph - Aaron Donald

1995 Topps - Finest Boosters - Refractor #180

Emmitt Smith

2015-16 Upper Deck - [Base] - Oversized #201

Young Guns - Connor McDavid

2016-17 SPx - Rookies - Blue Autograph [Autographed] #R-ZW

Zach Werenski /165

2015-16 Upper Deck Ultimate Collection - 2005-06 Ultimate Rookies - Silver Jersey [Memorabilia] #05-FV

Tier 1 - Frank Vatrano /125

2016-17 Upper Deck SP Game Used - [Base] - Blue Auto [Autographed] #187

Authentic Rookies - Pavel Buchnevich

2015-16 Upper Deck - Shining Stars - Royal Blue #SS-4

Duncan Keith

1972-73 Topps - [Base] #75

Jerry West

2009-10 Playoff Contenders - Draft Tandems #19

Chris Mullin, Stephen Curry

2012-13 Panini Prizm - [Base] #245

Damian Lillard

1972-73 Topps - [Base] #180

Artis Gilmore

2012-13 Panini Prizm - [Base] #203

Klay Thompson

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.