• 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!

13 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

2007 Ultimate Collection - America's Pastime Autographs #AP-HR

Hanley Ramirez

2004 Topps Tribute Hall of Fame - Tribute Relic #TR-OS

Ozzie Smith

2014 Panini National Treasures - [Base] #85

Cal Ripken /99

2016 Bowman Draft - Chrome Draft Pick Autographs #CDA-NM

Nolan Martinez

1970 Topps - [Base] #150

Joe Namath [Good to VG‑EX]

1998 Topps Stars - [Base] - Bronze #67

Peyton Manning /8799

1997 Pro Line Gems - Championship Ring #CR1

Brett Favre /1997

2014 Topps Fire - [Base] - Rookie Autographs [Autographed] #110

Martavis Bryant

1994 Topps - [Base] - Special Effects #445

Marshall Faulk

2014-15 Upper Deck Ultimate Collection - [Base] #110

Autographed Rookies - Shayne Gostisbehere /299

1984-85 Topps - [Base] #49

Steve Yzerman

2015-16 Upper Deck Ultimate Collection - 2005-06 Ultimate Rookies - Autos [Autographed] #05-FV

Tier 1 - Frank Vatrano /275

2015-16 Upper Deck Ultimate Collection - Ultimate Signatures #US-JV

James van Riemsdyk

2011-12 Upper Deck - [Base] #484

Carl Hagelin

2015-16 Panini Donruss - Elite Dominator #22

LeBron James /999

2002-03 Fleer Authentix - Hometown Heroes #16 HH

Michael Jordan

2011-12 Past & Present - Redemption Draft Pick Autographs - [Autographed] #23

Tristan Thompson

1997 SPx - [Base] #SPX5

Michael Jordan

2015-16 Panini Select - City to City Jerseys #14

Ray Allen /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. 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.