• 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!

14 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

2001 Topps Traded & Rookies - [Base] #T247

Albert Pujols

1997 Donruss Preferred - [Base] - Cut to the Chase #99

Craig Biggio

2017 Topps Baseball Continuity Program Chrome 1987 Design Refractor - [Base] #87-AJ

Aaron Judge

2017 Topps Gypsy Queen - [Base] #168.1

Aaron Judge

2014 Panini Contenders - [Base] - Playoff Ticket #159.2

Martavis Bryant /199 [BGS 9.5]

1996 Pinnacle Summit - Turf Team - Premium Stock #PSTT6

Barry Sanders /500

2012 Fleer Retro - 1999 Autographics #99AU-KM

Kellen Moore

2004 Playoff Contenders - [Base] #169

Roy Williams /564

2005 Topps Bazooka - [Base] #190

Aaron Rodgers

2013-14 Upper Deck - UD Canvas #C110

Mikael Granlund

2016-17 Upper Deck SP Game Used - [Base] - Purple #157

Authentic Rookies - Travis Konecny

2013-14 Upper Deck - UD Canvas #C119

Tomas Hertl

2016-17 Upper Deck - Day with the Cup #DC2

Kris Letang

2015-16 Upper Deck Full Force - Goooal! #G-CM

Foil Rookies - Connor McDavid

1996 Topps Stars - Reprints #33

Hakeem Olajuwon

2016-17 Panini Donruss - Court Kings #2

Stephen Curry

2015-16 Panini Prizm - [Base] #308

Rookies - Devin Booker [BGS 9.5]

1984-85 Star - [Base] #7

Greg Kite

1989-90 NBA Hoops - [Base] #200

Michael Jordan [PSA 9]

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.