• 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

1995 Pinnacle - [Base] - Artist's Proof #201

Rickey Henderson

2004 Bowman Heritage - [Base] #327

Kazuhito Tadano

1996 Pinnacle Zenith - Mozaics #5

Alex Rodriguez, Randy Johnson, Ken Griffey Jr.

1992 Topps Traded - [Base] - Gold #39T

Nomar Garciaparra

1973 Topps - [Base] #596

Boston Red Sox Team

1996 Playoff Pennants - [Base] #13

Dan Marino

2014 Bowman - Rookie Chrome Refractor Autograph #55

Zach Mettenberger

2013 Panini Prizm - [Base] - Autographs [Autographed] #296

Tyrann Mathieu

1999 Press Pass - Autographs #SCCO

Scott Covington

1998 Pacific Omega - Prism #9

Peyton Manning

2015-16 Upper Deck Ultimate Collection - 2005-06 Ultimate Rookies - Spectrum Silver Auto Jersey [Autographed] [Memorabilia] #05-JV

Jake Virtanen /99

2013-14 Panini Playbook - Fabled Fabrics #FF-BSA

Borje Salming /99

2015-16 Upper Deck Fusion - Rookie Achievements - Gold #R10

Jack Eichel

1996-97 Leaf Preferred - Steel Power #5

Wayne Gretzky /2500

2016-17 Upper Deck MVP - [Base] - Green #284

William Nylander

1996-97 Topps Finest - [Base] #127

Michael Jordan

1999-00 Upper Deck HoloGrFX - Holofame #HF-1

Michael Jordan

1994-95 Topps Stadium Club - [Base] - 1st Day Issue #172

Jason Kidd

2016-17 Panini Prizm - [Base] - Retail Starburst Prizm #1

Ben Simmons

2013-14 SP Authentic - [Base] - Autograph [Autographed] #26

Seth Curry

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.