• 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

2015 Topps Update Series - Etched in History #EIH-14

Roger Maris

1960 Topps - [Base] #450

Orlando Cepeda [Good to VG‑EX]

2012 Topps - [Base] #330.3

Willie Mays (Legend)

2013 Bowman - Chrome Prospects Autographs - Refractor #BCP-MO

Matt Olson /500

2016 Topps - Scouting Report Relics #SRR-MC

Miguel Cabrera

2005 Playoff Contenders - [Base] #133

Rookie Ticket - DeMarcus Ware

2016 Donruss - [Base] #362

Rated Rookies - Dak Prescott

2016 Upper Deck USA Football - USA U17 Dual Autos #DA-SR

Ian Roberts, Jesse Sims

1954 Bowman - [Base] #94

Bob Fleck [Good to VG‑EX]

2012 Bowman Sterling - Jumbo Rookie Relic #BSJRR-RW

Russell Wilson

2001-02 Upper Deck - [Base] #423

Ty Conklin

2015-16 Upper Deck Ultimate Collection - [Base] - Spectrum Silver Autographed Jersey [Autographed] [Memorabilia] #22

Tier 1 - Nathan MacKinnon /99

2015-16 Upper Deck Ultimate Collection - [Base] - Spectrum Silver Autographed Jersey [Autographed] [Memorabilia] #63

Ultimate Rookies Auto Jersey - Tier 1 - Anthony Stolarz /149

1990-91 Score - [Base] #439

Martin Brodeur [BGS 8.5]

1995-96 Pinnacle - Masks #10

Jocelyn Thibault

2014-15 NBA Hoops - [Base] - Red Back #261

Andrew Wiggins

1997-98 SP Authentic - Profiles #P1

Michael Jordan

2008-09 Topps Chrome - [Base] - X-Fractor #186

Danilo Gallinari /288

1997-98 Flair Showcase - [Base] - Row 1 #18

Kobe Bryant

2014-15 Panini Prizm - [Base] - Yellow and Red Mosaic Prizms #253

Joel Embiid

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.