• 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!

12 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

2011 Topps Finest Green Refractor Rookie Autographed Dual Relics [Autographed] #83

Zach Britton /149

2013 Bowman Inception Prospect Autographs Orange #PA-MO

Matt Olson /50

2010 Topps Manufactured Commemorative Patch #MCP110

Enos Slaughter

2012 Bowman Platinum #56

Bryce Harper

1983 Topps #83

Ryne Sandberg

1972 Topps #100

Joe Namath

2011 Bowman Sterling #19

Tyrod Taylor

1999 Playoff Momentum SSD Team Thread Checklist #TTC 30

Jerry Rice

1997 Upper Deck NFL Legends Autographs #AL-147

Mark Moseley

2009 Playoff Absolute Memorabilia NFL Rookie Jersey Collection #3

Hakeem Nicks

2015-16 Upper Deck Ice World Junior Championships #WJ-MD

Level 1 - Max Domi /699

2011-12 In the Game Heroes and Prospects #27

Nail Yakupov

1970-71 Topps #15

Bobby Hull

2015-16 Upper Deck MVP Green #117

Short Print - Claude Giroux

2013-14 Upper Deck Trilogy Three Star Spotlight Jerseys Past, Present & Future #PPF-SJS

Joe Thornton, Nick Petrecki, Logan Couture

2007-08 Fleer Glossy #212

Kevin Durant

2010-11 Playoff National Treasures #198

Ishmael Smith /99

1995-96 Fleer Ultra Scoring Kings Hot Packs #4

Michael Jordan

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.